16001165457 has 12 divisors (see below), whose sum is σ = 24329257680. Its totient is φ = 10105999128.

The previous prime is 16001165423. The next prime is 16001165473. The reversal of 16001165457 is 75456110061.

It is a happy number.

16001165457 is a `hidden beast` number, since 1 + 600 + 1 + 1 + 6 + 5 + 45 + 7 = 666.

It is not a de Polignac number, because 16001165457 - 2¹² = 16001161361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16001165497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46786863 + ... + 46787204.

It is an arithmetic number, because the mean of its divisors is an integer number (2027438140).

Almost surely, 2^16001165457 is an apocalyptic number.

It is an amenable number.

16001165457 is a deficient number, since it is larger than the sum of its proper divisors (8328092223).

16001165457 is a wasteful number, since it uses less digits than its factorization.

16001165457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93574092 (or 93574089 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The spelling of 16001165457 in words is "sixteen billion, one million, one hundred sixty-five thousand, four hundred fifty-seven".