645162645304 has 16 divisors (see below), whose sum is σ = 1209853098720. Its totient is φ = 322535152320.

The previous prime is 645162645269. The next prime is 645162645383. The reversal of 645162645304 is 403546261546.

645162645304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 5711869 + ... + 5823724.

It is an arithmetic number, because the mean of its divisors is an integer number (75615818670).

Almost surely, 2^645162645304 is an apocalyptic number.

It is an amenable number.

645162645304 is a deficient number, since it is larger than the sum of its proper divisors (564690453416).

645162645304 is a wasteful number, since it uses less digits than its factorization.

645162645304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11542590 (or 11542586 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 46.

The spelling of 645162645304 in words is "six hundred forty-five billion, one hundred sixty-two million, six hundred forty-five thousand, three hundred four".