20116164570354 has 48 divisors (see below), whose sum is σ = 43752095779392. Its totient is φ = 6679686298464.

The previous prime is 20116164570311. The next prime is 20116164570371. The reversal of 20116164570354 is 45307546161102.

It is a happy number.

20116164570354 is a `hidden beast` number, since 2 + 0 + 1 + 16 + 1 + 64 + 570 + 3 + 5 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 277248309 + ... + 277320855.

It is an arithmetic number, because the mean of its divisors is an integer number (911501995404).

Almost surely, 2^{20116164570354} is an apocalyptic number.

20116164570354 is an abundant number, since it is smaller than the sum of its proper divisors (23635931209038).

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

20116164570354 is a wasteful number, since it uses less digits than its factorization.

20116164570354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131391 (or 131388 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 20116164570354 in words is "twenty trillion, one hundred sixteen billion, one hundred sixty-four million, five hundred seventy thousand, three hundred fifty-four".