56166561050367 has 16 divisors (see below), whose sum is σ = 75070169645408. Its totient is φ = 37353671631360.

The previous prime is 56166561050359. The next prime is 56166561050381. The reversal of 56166561050367 is 76305016566165.

It is not a de Polignac number, because 56166561050367 - 2³ = 56166561050359 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 (56166561050267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26032443 + ... + 28107315.

It is an arithmetic number, because the mean of its divisors is an integer number (4691885602838).

Almost surely, 2^{56166561050367} is an apocalyptic number.

56166561050367 is a deficient number, since it is larger than the sum of its proper divisors (18903608595041).

56166561050367 is a wasteful number, since it uses less digits than its factorization.

56166561050367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096730.

The product of its (nonzero) digits is 20412000, while the sum is 57.

The spelling of 56166561050367 in words is "fifty-six trillion, one hundred sixty-six billion, five hundred sixty-one million, fifty thousand, three hundred sixty-seven".