645701036116 has 12 divisors (see below), whose sum is σ = 1179106240032. Its totient is φ = 308813538968.

The previous prime is 645701036089. The next prime is 645701036143. The reversal of 645701036116 is 611630107546.

645701036116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (645701036089) and next prime (645701036143).

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, 3509244670 + ... + 3509244853.

It is an arithmetic number, because the mean of its divisors is an integer number (98258853336).

Almost surely, 2^645701036116 is an apocalyptic number.

It is an amenable number.

645701036116 is a deficient number, since it is larger than the sum of its proper divisors (533405203916).

645701036116 is a wasteful number, since it uses less digits than its factorization.

645701036116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7018489550 (or 7018489548 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 645701036116 in words is "six hundred forty-five billion, seven hundred one million, thirty-six thousand, one hundred sixteen".