16825329293161 has 3 divisors (see below), whose sum is σ = 16825333395031. Its totient is φ = 16825325191292.

The previous prime is 16825329293153. The next prime is 16825329293183. The reversal of 16825329293161 is 16139292352861.

It is a happy number.

The square root of 16825329293161 is 4101869.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 5485811836761 + 11339517456400 = 2342181^2 + 3367420^2 .

It is not a de Polignac number, because 16825329293161 - 2³ = 16825329293153 is a prime.

It is a super-3 number, since 3×16825329293161³ (a number of 41 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16825329293096 and 16825329293105.

It is not an unprimeable number, because it can be changed into a prime (16825321293161) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2050935 + ... + 6152803.

Almost surely, 2^{16825329293161} is an apocalyptic number.

16825329293161 is the 4101869-th square number.

16825329293161 is the 2050935-th centered octagonal number.

It is an amenable number.

16825329293161 is a deficient number, since it is larger than the sum of its proper divisors (4101870).

16825329293161 is an frugal number, since it uses more digits than its factorization.

16825329293161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8203738 (or 4101869 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 58.

The spelling of 16825329293161 in words is "sixteen trillion, eight hundred twenty-five billion, three hundred twenty-nine million, two hundred ninety-three thousand, one hundred sixty-one".