56163234402365 has 4 divisors (see below), whose sum is σ = 67395881282844. Its totient is φ = 44930587521888.

The previous prime is 56163234402361. The next prime is 56163234402367. The reversal of 56163234402365 is 56320443236165.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18135452513476 + 38027781888889 = 4258574^2 + 6166667^2 .

It is a cyclic number.

It is not a de Polignac number, because 56163234402365 - 2² = 56163234402361 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56163234402361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5616323440232 + ... + 5616323440241.

It is an arithmetic number, because the mean of its divisors is an integer number (16848970320711).

Almost surely, 2^{56163234402365} is an apocalyptic number.

It is an amenable number.

56163234402365 is a deficient number, since it is larger than the sum of its proper divisors (11232646880479).

56163234402365 is a wasteful number, since it uses less digits than its factorization.

56163234402365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11232646880478.

The product of its (nonzero) digits is 9331200, while the sum is 50.

The spelling of 56163234402365 in words is "fifty-six trillion, one hundred sixty-three billion, two hundred thirty-four million, four hundred two thousand, three hundred sixty-five".