64160240775384 has 32 divisors (see below), whose sum is σ = 172739109780720. Its totient is φ = 19741612546176.

The previous prime is 64160240775353. The next prime is 64160240775409. The reversal of 64160240775384 is 48357704206146.

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, 102820898367 + ... + 102820898990.

Almost surely, 2^{64160240775384} is an apocalyptic number.

It is an amenable number.

64160240775384 is an abundant number, since it is smaller than the sum of its proper divisors (108578869005336).

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

64160240775384 is a wasteful number, since it uses less digits than its factorization.

64160240775384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205641797379 (or 205641797375 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 57.

The spelling of 64160240775384 in words is "sixty-four trillion, one hundred sixty billion, two hundred forty million, seven hundred seventy-five thousand, three hundred eighty-four".