57163904291 has 8 divisors (see below), whose sum is σ = 61873623504. Its totient is φ = 52498827360.

The previous prime is 57163904261. The next prime is 57163904293. The reversal of 57163904291 is 19240936175.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57163904291 - 2²² = 57159709987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57163904293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11157905 + ... + 11163026.

It is an arithmetic number, because the mean of its divisors is an integer number (7734202938).

Almost surely, 2^57163904291 is an apocalyptic number.

57163904291 is a deficient number, since it is larger than the sum of its proper divisors (4709719213).

57163904291 is a wasteful number, since it uses less digits than its factorization.

57163904291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22321141.

The product of its (nonzero) digits is 408240, while the sum is 47.

The spelling of 57163904291 in words is "fifty-seven billion, one hundred sixty-three million, nine hundred four thousand, two hundred ninety-one".