56655661161607 has 2 divisors, whose sum is σ = 56655661161608. Its totient is φ = 56655661161606.

The previous prime is 56655661161569. The next prime is 56655661161683. The reversal of 56655661161607 is 70616116655665.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56655661161607 - 2⁷ = 56655661161479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56655061161607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28327830580803 + 28327830580804.

It is an arithmetic number, because the mean of its divisors is an integer number (28327830580804).

Almost surely, 2^{56655661161607} is an apocalyptic number.

56655661161607 is a deficient number, since it is larger than the sum of its proper divisors (1).

56655661161607 is an equidigital number, since it uses as much as digits as its factorization.

56655661161607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824000, while the sum is 61.

The spelling of 56655661161607 in words is "fifty-six trillion, six hundred fifty-five billion, six hundred sixty-one million, one hundred sixty-one thousand, six hundred seven".