16172742002 has 16 divisors (see below), whose sum is σ = 24939271224. Its totient is φ = 7861056000.

The previous prime is 16172741983. The next prime is 16172742017. The reversal of 16172742002 is 20024727161.

It can be written as a sum of positive squares in 4 ways, for example, as 8848976761 + 7323765241 = 94069^2 + 85579^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16172742002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327899 + ... + 373982.

Almost surely, 2^16172742002 is an apocalyptic number.

16172742002 is a deficient number, since it is larger than the sum of its proper divisors (8766529222).

16172742002 is a wasteful number, since it uses less digits than its factorization.

16172742002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702205.

The product of its (nonzero) digits is 9408, while the sum is 32.

The spelling of 16172742002 in words is "sixteen billion, one hundred seventy-two million, seven hundred forty-two thousand, two".