2056165601 has 8 divisors (see below), whose sum is σ = 2350323264. Its totient is φ = 1762112880.

The previous prime is 2056165597. The next prime is 2056165637. The reversal of 2056165601 is 1065616502.

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 2056165601 - 2² = 2056165597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2056165681) 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, 21566 + ... + 67656.

It is an arithmetic number, because the mean of its divisors is an integer number (293790408).

Almost surely, 2^2056165601 is an apocalyptic number.

It is an amenable number.

2056165601 is a deficient number, since it is larger than the sum of its proper divisors (294157663).

2056165601 is an equidigital number, since it uses as much as digits as its factorization.

2056165601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52471.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 2056165601 is about 45344.9622449948. The cubic root of 2056165601 is about 1271.6063747245.

The spelling of 2056165601 in words is "two billion, fifty-six million, one hundred sixty-five thousand, six hundred one".