56672001161 has 2 divisors, whose sum is σ = 56672001162. Its totient is φ = 56672001160.

The previous prime is 56672001103. The next prime is 56672001179. The reversal of 56672001161 is 16110027665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41575210000 + 15096791161 = 203900^2 + 122869^2 .

It is a cyclic number.

It is not a de Polignac number, because 56672001161 - 2²² = 56667806857 is a prime.

It is not a weakly prime, because it can be changed into another prime (56672001761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28336000580 + 28336000581.

It is an arithmetic number, because the mean of its divisors is an integer number (28336000581).

Almost surely, 2^56672001161 is an apocalyptic number.

It is an amenable number.

56672001161 is a deficient number, since it is larger than the sum of its proper divisors (1).

56672001161 is an equidigital number, since it uses as much as digits as its factorization.

56672001161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 35.

The spelling of 56672001161 in words is "fifty-six billion, six hundred seventy-two million, one thousand, one hundred sixty-one".