15402995845164 has 18 divisors (see below), whose sum is σ = 38935350608700. Its totient is φ = 5134331948376.

The previous prime is 15402995845123. The next prime is 15402995845219. The reversal of 15402995845164 is 46154859920451.

It is a happy number.

15402995845164 is a `hidden beast` number, since 1 + 5 + 4 + 0 + 29 + 95 + 8 + 4 + 516 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×15402995845164² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 213930497814 + ... + 213930497885.

Almost surely, 2^{15402995845164} is an apocalyptic number.

It is an amenable number.

15402995845164 is an abundant number, since it is smaller than the sum of its proper divisors (23532354763536).

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

15402995845164 is a wasteful number, since it uses less digits than its factorization.

15402995845164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427860995709 (or 427860995704 counting only the distinct ones).

The product of its (nonzero) digits is 62208000, while the sum is 63.

The spelling of 15402995845164 in words is "fifteen trillion, four hundred two billion, nine hundred ninety-five million, eight hundred forty-five thousand, one hundred sixty-four".