21353146215162 has 32 divisors (see below), whose sum is σ = 44969804881920. Its totient is φ = 6740726877360.

The previous prime is 21353146215133. The next prime is 21353146215179. The reversal of 21353146215162 is 26151264135312.

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, 32617914 + ... + 33266117.

It is an arithmetic number, because the mean of its divisors is an integer number (1405306402560).

Almost surely, 2^{21353146215162} is an apocalyptic number.

21353146215162 is an abundant number, since it is smaller than the sum of its proper divisors (23616658666758).

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

21353146215162 is a wasteful number, since it uses less digits than its factorization.

21353146215162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65886898.

The product of its digits is 259200, while the sum is 42.

The spelling of 21353146215162 in words is "twenty-one trillion, three hundred fifty-three billion, one hundred forty-six million, two hundred fifteen thousand, one hundred sixty-two".