21300164524152 has 64 divisors (see below), whose sum is σ = 59168810685600. Its totient is φ = 7099852400640.

The previous prime is 21300164524147. The next prime is 21300164524183. The reversal of 21300164524152 is 25142546100312.

21300164524152 is a `hidden beast` number, since 2 + 1 + 3 + 0 + 0 + 1 + 645 + 2 + 4 + 1 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6284458 + ... + 9060614.

Almost surely, 2^{21300164524152} is an apocalyptic number.

It is an amenable number.

21300164524152 is an abundant number, since it is smaller than the sum of its proper divisors (37868646161448).

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

21300164524152 is a wasteful number, since it uses less digits than its factorization.

21300164524152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811693 (or 2811683 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 21300164524152 in words is "twenty-one trillion, three hundred billion, one hundred sixty-four million, five hundred twenty-four thousand, one hundred fifty-two".