56366705673 has 48 divisors (see below), whose sum is σ = 87653404800. Its totient is φ = 34776967680.

The previous prime is 56366705657. The next prime is 56366705711. The reversal of 56366705673 is 37650766365.

It is a happy number.

56366705673 is a `hidden beast` number, since 5 + 6 + 3 + 6 + 6 + 70 + 567 + 3 = 666.

It is not a de Polignac number, because 56366705673 - 2⁴ = 56366705657 is a prime.

It is a super-2 number, since 2×56366705673² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56366705873) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4219038 + ... + 4232376.

It is an arithmetic number, because the mean of its divisors is an integer number (1826112600).

Almost surely, 2^56366705673 is an apocalyptic number.

It is an amenable number.

56366705673 is a deficient number, since it is larger than the sum of its proper divisors (31286699127).

56366705673 is a wasteful number, since it uses less digits than its factorization.

56366705673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13822 (or 13819 counting only the distinct ones).

The product of its (nonzero) digits is 14288400, while the sum is 54.

The spelling of 56366705673 in words is "fifty-six billion, three hundred sixty-six million, seven hundred five thousand, six hundred seventy-three".