15602161402 has 16 divisors (see below), whose sum is σ = 23977563624. Its totient is φ = 7609696000.

The previous prime is 15602161397. The next prime is 15602161403. The reversal of 15602161402 is 20416120651.

It can be written as a sum of positive squares in 4 ways, for example, as 15420424041 + 181737361 = 124179^2 + 13481^2 .

It is not an unprimeable number, because it can be changed into a prime (15602161403) 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, 974502 + ... + 990382.

Almost surely, 2^15602161402 is an apocalyptic number.

15602161402 is a deficient number, since it is larger than the sum of its proper divisors (8375402222).

15602161402 is a wasteful number, since it uses less digits than its factorization.

15602161402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27905.

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 15602161402 in words is "fifteen billion, six hundred two million, one hundred sixty-one thousand, four hundred two".