16172601402 has 8 divisors (see below), whose sum is σ = 32345202816. Its totient is φ = 5390867132.

The previous prime is 16172601397. The next prime is 16172601421. The reversal of 16172601402 is 20410627161.

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

16172601402 is an admirable number.

It is a super-2 number, since 2×16172601402² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16172601402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1347716778 + ... + 1347716789.

It is an arithmetic number, because the mean of its divisors is an integer number (4043150352).

Almost surely, 2^16172601402 is an apocalyptic number.

16172601402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16172601402 is a wasteful number, since it uses less digits than its factorization.

16172601402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2695433572.

The product of its (nonzero) digits is 4032, while the sum is 30.

The spelling of 16172601402 in words is "sixteen billion, one hundred seventy-two million, six hundred one thousand, four hundred two".