16081297 has 4 divisors (see below), whose sum is σ = 16090596. Its totient is φ = 16072000.

The previous prime is 16081291. The next prime is 16081363. The reversal of 16081297 is 79218061.

It is a happy number.

16081297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2 ways, for example, as 7177041 + 8904256 = 2679^2 + 2984^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16081297 is a prime.

It is a super-2 number, since 2×16081297² = 517216226404418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16081291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1204 + ... + 5797.

It is an arithmetic number, because the mean of its divisors is an integer number (4022649).

Almost surely, 2^16081297 is an apocalyptic number.

It is an amenable number.

16081297 is a deficient number, since it is larger than the sum of its proper divisors (9299).

16081297 is an equidigital number, since it uses as much as digits as its factorization.

16081297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9298.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 16081297 is about 4010.1492490929. The cubic root of 16081297 is about 252.4102716830.

The spelling of 16081297 in words is "sixteen million, eighty-one thousand, two hundred ninety-seven".