16825955 has 4 divisors (see below), whose sum is σ = 20191152. Its totient is φ = 13460760.

The previous prime is 16825931. The next prime is 16825957. The reversal of 16825955 is 55952861.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-16825955 is a prime.

It is a super-2 number, since 2×16825955² = 566225523324050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16825957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1682591 + ... + 1682600.

It is an arithmetic number, because the mean of its divisors is an integer number (5047788).

Almost surely, 2^16825955 is an apocalyptic number.

16825955 is a deficient number, since it is larger than the sum of its proper divisors (3365197).

16825955 is an equidigital number, since it uses as much as digits as its factorization.

16825955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3365196.

The product of its digits is 108000, while the sum is 41.

The square root of 16825955 is about 4101.9452702346. The cubic root of 16825955 is about 256.2476597050.

The spelling of 16825955 in words is "sixteen million, eight hundred twenty-five thousand, nine hundred fifty-five".