2160235076621 has 2 divisors, whose sum is σ = 2160235076622. Its totient is φ = 2160235076620.

The previous prime is 2160235076603. The next prime is 2160235076653. The reversal of 2160235076621 is 1266705320612.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1448677032100 + 711558044521 = 1203610^2 + 843539^2 .

It is a cyclic number.

It is not a de Polignac number, because 2160235076621 - 2³⁸ = 1885357169677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2160235079621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1080117538310 + 1080117538311.

It is an arithmetic number, because the mean of its divisors is an integer number (1080117538311).

Almost surely, 2^{2160235076621} is an apocalyptic number.

It is an amenable number.

2160235076621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2160235076621 is an equidigital number, since it uses as much as digits as its factorization.

2160235076621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 2160235076621 in words is "two trillion, one hundred sixty billion, two hundred thirty-five million, seventy-six thousand, six hundred twenty-one".