656060120461 has 2 divisors, whose sum is σ = 656060120462. Its totient is φ = 656060120460.

The previous prime is 656060120453. The next prime is 656060120489. The reversal of 656060120461 is 164021060656.

656060120461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 611203422025 + 44856698436 = 781795^2 + 211794^2 .

It is a cyclic number.

It is not a de Polignac number, because 656060120461 - 2³ = 656060120453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 656060120461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (656060120491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328030060230 + 328030060231.

It is an arithmetic number, because the mean of its divisors is an integer number (328030060231).

Almost surely, 2^656060120461 is an apocalyptic number.

It is an amenable number.

656060120461 is a deficient number, since it is larger than the sum of its proper divisors (1).

656060120461 is an equidigital number, since it uses as much as digits as its factorization.

656060120461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 656060120461 in words is "six hundred fifty-six billion, sixty million, one hundred twenty thousand, four hundred sixty-one".