56166146033 has 2 divisors, whose sum is σ = 56166146034. Its totient is φ = 56166146032.

The previous prime is 56166145969. The next prime is 56166146087. The reversal of 56166146033 is 33064166165.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56127295744 + 38850289 = 236912^2 + 6233^2 .

It is a cyclic number.

It is not a de Polignac number, because 56166146033 - 2⁶ = 56166145969 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (56166148033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28083073016 + 28083073017.

It is an arithmetic number, because the mean of its divisors is an integer number (28083073017).

Almost surely, 2^56166146033 is an apocalyptic number.

It is an amenable number.

56166146033 is a deficient number, since it is larger than the sum of its proper divisors (1).

56166146033 is an equidigital number, since it uses as much as digits as its factorization.

56166146033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 41.

The spelling of 56166146033 in words is "fifty-six billion, one hundred sixty-six million, one hundred forty-six thousand, thirty-three".