56161166203 has 8 divisors (see below), whose sum is σ = 56695133600. Its totient is φ = 55629331200.

The previous prime is 56161166167. The next prime is 56161166249. The reversal of 56161166203 is 30266116165.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56161166203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56161166273) 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, 480150 + ... + 585547.

It is an arithmetic number, because the mean of its divisors is an integer number (7086891700).

Almost surely, 2^56161166203 is an apocalyptic number.

56161166203 is a deficient number, since it is larger than the sum of its proper divisors (533967397).

56161166203 is a wasteful number, since it uses less digits than its factorization.

56161166203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066197.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 56161166203 in words is "fifty-six billion, one hundred sixty-one million, one hundred sixty-six thousand, two hundred three".