64486664176 has 40 divisors (see below), whose sum is σ = 136352973744. Its totient is φ = 29301020160.

The previous prime is 64486664171. The next prime is 64486664227. The reversal of 64486664176 is 67146668446.

It is a super-3 number, since 3×64486664176³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64486664176.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64486664171) 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, 405940 + ... + 541996.

Almost surely, 2^64486664176 is an apocalyptic number.

It is an amenable number.

64486664176 is an abundant number, since it is smaller than the sum of its proper divisors (71866309568).

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

64486664176 is a wasteful number, since it uses less digits than its factorization.

64486664176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138769 (or 138763 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 58.

The spelling of 64486664176 in words is "sixty-four billion, four hundred eighty-six million, six hundred sixty-four thousand, one hundred seventy-six".