21160313236160 has 112 divisors (see below), whose sum is σ = 60617138039040. Its totient is φ = 6873124285440.

The previous prime is 21160313236159. The next prime is 21160313236247. The reversal of 21160313236160 is 6163231306112.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 21160313236160.

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, 248551346 + ... + 248636465.

Almost surely, 2^{21160313236160} is an apocalyptic number.

21160313236160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21160313236160 is an abundant number, since it is smaller than the sum of its proper divisors (39456824802880).

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

21160313236160 is a wasteful number, since it uses less digits than its factorization.

21160313236160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497187854 (or 497187844 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The spelling of 21160313236160 in words is "twenty-one trillion, one hundred sixty billion, three hundred thirteen million, two hundred thirty-six thousand, one hundred sixty".