6671662160 has 20 divisors (see below), whose sum is σ = 15511614708. Its totient is φ = 2668664832.

The previous prime is 6671662099. The next prime is 6671662169. The reversal of 6671662160 is 612661766.

It can be written as a sum of positive squares in 2 ways, for example, as 2938940944 + 3732721216 = 54212^2 + 61096^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×6671662160² = 89022151954351731200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6671662169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41697809 + ... + 41697968.

Almost surely, 2^6671662160 is an apocalyptic number.

It is an amenable number.

6671662160 is an abundant number, since it is smaller than the sum of its proper divisors (8839952548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6671662160 is a wasteful number, since it uses less digits than its factorization.

6671662160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83395790 (or 83395784 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 6671662160 is about 81680.2433884719. The cubic root of 6671662160 is about 1882.5420343142.

The spelling of 6671662160 in words is "six billion, six hundred seventy-one million, six hundred sixty-two thousand, one hundred sixty".