56746064248165 has 16 divisors (see below), whose sum is σ = 68277513605616. Its totient is φ = 45275401600000.

The previous prime is 56746064248061. The next prime is 56746064248231. The reversal of 56746064248165 is 56184246064765.

It can be written as a sum of positive squares in 8 ways, for example, as 12188917335169 + 44557146912996 = 3491263^2 + 6675114^2 .

It is not a de Polignac number, because 56746064248165 - 2²³ = 56746055859557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56746064248097 and 56746064248106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8457039 + ... + 13601971.

It is an arithmetic number, because the mean of its divisors is an integer number (4267344600351).

Almost surely, 2^{56746064248165} is an apocalyptic number.

It is an amenable number.

56746064248165 is a deficient number, since it is larger than the sum of its proper divisors (11531449357451).

56746064248165 is a wasteful number, since it uses less digits than its factorization.

56746064248165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5150840.

The product of its (nonzero) digits is 232243200, while the sum is 64.

The spelling of 56746064248165 in words is "fifty-six trillion, seven hundred forty-six billion, sixty-four million, two hundred forty-eight thousand, one hundred sixty-five".