57106946916863 has 4 divisors (see below), whose sum is σ = 57107051599200. Its totient is φ = 57106842234528.

The previous prime is 57106946916839. The next prime is 57106946916869. The reversal of 57106946916863 is 36861964960175.

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

It is a cyclic number.

It is not a de Polignac number, because 57106946916863 - 2²² = 57106942722559 is a prime.

It is a super-2 number, since 2×57106946916863² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57106946916869) 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, 51518570 + ... + 52615367.

It is an arithmetic number, because the mean of its divisors is an integer number (14276762899800).

Almost surely, 2^{57106946916863} is an apocalyptic number.

57106946916863 is a deficient number, since it is larger than the sum of its proper divisors (104682337).

57106946916863 is a wasteful number, since it uses less digits than its factorization.

57106946916863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104682336.

The product of its (nonzero) digits is 352719360, while the sum is 71.

The spelling of 57106946916863 in words is "fifty-seven trillion, one hundred six billion, nine hundred forty-six million, nine hundred sixteen thousand, eight hundred sixty-three".