2160521664626 has 32 divisors (see below), whose sum is σ = 3607235240448. Its totient is φ = 963770814720.

The previous prime is 2160521664617. The next prime is 2160521664629. The reversal of 2160521664626 is 6264661250612.

It is not an unprimeable number, because it can be changed into a prime (2160521664629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1068695 + ... + 2337338.

It is an arithmetic number, because the mean of its divisors is an integer number (112726101264).

Almost surely, 2^{2160521664626} is an apocalyptic number.

2160521664626 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2160521664626 is a deficient number, since it is larger than the sum of its proper divisors (1446713575822).

2160521664626 is a wasteful number, since it uses less digits than its factorization.

2160521664626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3406866.

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 2160521664626 in words is "two trillion, one hundred sixty billion, five hundred twenty-one million, six hundred sixty-four thousand, six hundred twenty-six".