2646855896 has 16 divisors (see below), whose sum is σ = 4980520440. Its totient is φ = 1318717120.

The previous prime is 2646855863. The next prime is 2646855977. The reversal of 2646855896 is 6985586462.

2646855896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2646855896² = 14011692268379925632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586466 + ... + 590961.

Almost surely, 2^2646855896 is an apocalyptic number.

It is an amenable number.

2646855896 is a deficient number, since it is larger than the sum of its proper divisors (2333664544).

2646855896 is a wasteful number, since it uses less digits than its factorization.

2646855896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177714 (or 1177710 counting only the distinct ones).

The product of its digits is 24883200, while the sum is 59.

The square root of 2646855896 is about 51447.6034038516. The cubic root of 2646855896 is about 1383.2800043440.

The spelling of 2646855896 in words is "two billion, six hundred forty-six million, eight hundred fifty-five thousand, eight hundred ninety-six".