64516676712 has 32 divisors (see below), whose sum is σ = 161319535200. Its totient is φ = 21501846464.

The previous prime is 64516676683. The next prime is 64516676717. The reversal of 64516676712 is 21767661546.

It is not an unprimeable number, because it can be changed into a prime (64516676717) 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 7 ways as a sum of consecutive naturals, for example, 88287 + ... + 369902.

It is an arithmetic number, because the mean of its divisors is an integer number (5041235475).

Almost surely, 2^64516676712 is an apocalyptic number.

It is an amenable number.

64516676712 is an abundant number, since it is smaller than the sum of its proper divisors (96802858488).

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

64516676712 is a wasteful number, since it uses less digits than its factorization.

64516676712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464065 (or 464061 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 51.

The spelling of 64516676712 in words is "sixty-four billion, five hundred sixteen million, six hundred seventy-six thousand, seven hundred twelve".