64016625402 has 32 divisors (see below), whose sum is σ = 144207932160. Its totient is φ = 21046560480.

The previous prime is 64016625401. The next prime is 64016625451. The reversal of 64016625402 is 20452661046.

64016625402 is a `hidden beast` number, since 6 + 40 + 16 + 62 + 540 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (64016625401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8115874 + ... + 8123757.

It is an arithmetic number, because the mean of its divisors is an integer number (4506497880).

Almost surely, 2^64016625402 is an apocalyptic number.

64016625402 is an abundant number, since it is smaller than the sum of its proper divisors (80191306758).

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

64016625402 is a wasteful number, since it uses less digits than its factorization.

64016625402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16239715 (or 16239709 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 64016625402 in words is "sixty-four billion, sixteen million, six hundred twenty-five thousand, four hundred two".