16465251163 has 8 divisors (see below), whose sum is σ = 16518348000. Its totient is φ = 16412191488.

The previous prime is 16465251157. The next prime is 16465251167. The reversal of 16465251163 is 36115256461.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16465251163 is a prime.

It is a super-2 number, since 2×16465251163² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16465251167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1079313 + ... + 1094461.

It is an arithmetic number, because the mean of its divisors is an integer number (2064793500).

Almost surely, 2^16465251163 is an apocalyptic number.

16465251163 is a deficient number, since it is larger than the sum of its proper divisors (53096837).

16465251163 is a wasteful number, since it uses less digits than its factorization.

16465251163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18581.

The product of its digits is 129600, while the sum is 40.

The spelling of 16465251163 in words is "sixteen billion, four hundred sixty-five million, two hundred fifty-one thousand, one hundred sixty-three".