64743160464 has 80 divisors (see below), whose sum is σ = 185903726400. Its totient is φ = 21573287424.

The previous prime is 64743160463. The next prime is 64743160567. The reversal of 64743160464 is 46406134746.

64743160464 is a `hidden beast` number, since 6 + 4 + 7 + 4 + 31 + 604 + 6 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (64743160463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1244152 + ... + 1295144.

It is an arithmetic number, because the mean of its divisors is an integer number (2323796580).

Almost surely, 2^64743160464 is an apocalyptic number.

It is an amenable number.

64743160464 is an abundant number, since it is smaller than the sum of its proper divisors (121160565936).

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

64743160464 is a wasteful number, since it uses less digits than its factorization.

64743160464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53949 (or 53937 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 45.

The spelling of 64743160464 in words is "sixty-four billion, seven hundred forty-three million, one hundred sixty thousand, four hundred sixty-four".