56643001163 has 32 divisors (see below), whose sum is σ = 69281298432. Its totient is φ = 45261216000.

The previous prime is 56643001159. The next prime is 56643001241. The reversal of 56643001163 is 36110034665.

It is not a de Polignac number, because 56643001163 - 2² = 56643001159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56643001963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1266503 + ... + 1310463.

It is an arithmetic number, because the mean of its divisors is an integer number (2165040576).

Almost surely, 2^56643001163 is an apocalyptic number.

56643001163 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

56643001163 is a deficient number, since it is larger than the sum of its proper divisors (12638297269).

56643001163 is a wasteful number, since it uses less digits than its factorization.

56643001163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44195.

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 56643001163 in words is "fifty-six billion, six hundred forty-three million, one thousand, one hundred sixty-three".