21365627166162 has 96 divisors (see below), whose sum is σ = 48269566275840. Its totient is φ = 6825400070400.

The previous prime is 21365627166161. The next prime is 21365627166167. The reversal of 21365627166162 is 26166172656312.

21365627166162 is a `hidden beast` number, since 2 + 1 + 3 + 6 + 5 + 6 + 2 + 7 + 16 + 616 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 21365627166099 and 21365627166108.

It is not an unprimeable number, because it can be changed into a prime (21365627166161) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7339912 + ... + 9828812.

It is an arithmetic number, because the mean of its divisors is an integer number (502807982040).

Almost surely, 2^{21365627166162} is an apocalyptic number.

21365627166162 is an abundant number, since it is smaller than the sum of its proper divisors (26903939109678).

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

21365627166162 is a wasteful number, since it uses less digits than its factorization.

21365627166162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489168 (or 2489165 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The spelling of 21365627166162 in words is "twenty-one trillion, three hundred sixty-five billion, six hundred twenty-seven million, one hundred sixty-six thousand, one hundred sixty-two".