6870613656 has 32 divisors (see below), whose sum is σ = 17191526400. Its totient is φ = 2288205600.

The previous prime is 6870613639. The next prime is 6870613787. The reversal of 6870613656 is 6563160786.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96736 + ... + 151983.

It is an arithmetic number, because the mean of its divisors is an integer number (537235200).

Almost surely, 2^6870613656 is an apocalyptic number.

It is an amenable number.

6870613656 is an abundant number, since it is smaller than the sum of its proper divisors (10320912744).

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

6870613656 is a wasteful number, since it uses less digits than its factorization.

6870613656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249879 (or 249875 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 48.

The square root of 6870613656 is about 82889.1648890252. The cubic root of 6870613656 is about 1901.0717550705.

The spelling of 6870613656 in words is "six billion, eight hundred seventy million, six hundred thirteen thousand, six hundred fifty-six".