2656160081 has 8 divisors (see below), whose sum is σ = 2799696000. Its totient is φ = 2512998000.

The previous prime is 2656160071. The next prime is 2656160123. The reversal of 2656160081 is 1800616562.

It is a happy number.

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 2656160081 - 2¹⁴ = 2656143697 is a prime.

It is a super-2 number, since 2×2656160081² = 14110372751795853122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2656160071) 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, 78806 + ... + 107343.

It is an arithmetic number, because the mean of its divisors is an integer number (349962000).

Almost surely, 2^2656160081 is an apocalyptic number.

It is an amenable number.

2656160081 is a deficient number, since it is larger than the sum of its proper divisors (143535919).

2656160081 is a wasteful number, since it uses less digits than its factorization.

2656160081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186919.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 2656160081 is about 51537.9479704033. The cubic root of 2656160081 is about 1384.8989367015.

The spelling of 2656160081 in words is "two billion, six hundred fifty-six million, one hundred sixty thousand, eighty-one".