21163146523602 has 32 divisors (see below), whose sum is σ = 44188683691392. Its totient is φ = 6744290914944.

The previous prime is 21163146523559. The next prime is 21163146523633. The reversal of 21163146523602 is 20632564136112.

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, 38121043 + ... + 38672214.

It is an arithmetic number, because the mean of its divisors is an integer number (1380896365356).

Almost surely, 2^{21163146523602} is an apocalyptic number.

21163146523602 is an abundant number, since it is smaller than the sum of its proper divisors (23025537167790).

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

21163146523602 is a wasteful number, since it uses less digits than its factorization.

21163146523602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76795282.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 21163146523602 in words is "twenty-one trillion, one hundred sixty-three billion, one hundred forty-six million, five hundred twenty-three thousand, six hundred two".