64740344176334 has 16 divisors (see below), whose sum is σ = 98304409501200. Its totient is φ = 31973518927104.

The previous prime is 64740344176297. The next prime is 64740344176367. The reversal of 64740344176334 is 43367144304746.

It is a self number, because there is not a number n which added to its sum of digits gives 64740344176334.

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, 327713744 + ... + 327911235.

It is an arithmetic number, because the mean of its divisors is an integer number (6144025593825).

Almost surely, 2^{64740344176334} is an apocalyptic number.

64740344176334 is a deficient number, since it is larger than the sum of its proper divisors (33564065324866).

64740344176334 is a wasteful number, since it uses less digits than its factorization.

64740344176334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655625587.

The product of its (nonzero) digits is 48771072, while the sum is 56.

The spelling of 64740344176334 in words is "sixty-four trillion, seven hundred forty billion, three hundred forty-four million, one hundred seventy-six thousand, three hundred thirty-four".