16564713322570 has 48 divisors (see below), whose sum is σ = 34685245955808. Its totient is φ = 5679205086240.

The previous prime is 16564713322523. The next prime is 16564713322571. The reversal of 16564713322570 is 7522331746561.

It is not an unprimeable number, because it can be changed into a prime (16564713322571) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23427925 + ... + 24124615.

It is an arithmetic number, because the mean of its divisors is an integer number (722609290746).

Almost surely, 2^{16564713322570} is an apocalyptic number.

16564713322570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16564713322570 is an abundant number, since it is smaller than the sum of its proper divisors (18120532633238).

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

16564713322570 is a wasteful number, since it uses less digits than its factorization.

16564713322570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745235 (or 745228 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 52.

The spelling of 16564713322570 in words is "sixteen trillion, five hundred sixty-four billion, seven hundred thirteen million, three hundred twenty-two thousand, five hundred seventy".