56149494165 has 96 divisors (see below), whose sum is σ = 109934288640. Its totient is φ = 27136238976.

The previous prime is 56149494131. The next prime is 56149494209.

56149494165 is a `hidden beast` number, since 5 + 6 + 1 + 494 + 94 + 1 + 65 = 666.

56149494165 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56149494165 - 2¹² = 56149490069 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1095859 + ... + 1145951.

It is an arithmetic number, because the mean of its divisors is an integer number (1145148840).

Almost surely, 2^56149494165 is an apocalyptic number.

It is an amenable number.

56149494165 is a deficient number, since it is larger than the sum of its proper divisors (53784794475).

56149494165 is a wasteful number, since it uses less digits than its factorization.

56149494165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50168 (or 50143 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 54.

The spelling of 56149494165 in words is "fifty-six billion, one hundred forty-nine million, four hundred ninety-four thousand, one hundred sixty-five".