64147806104 has 64 divisors (see below), whose sum is σ = 126251136000. Its totient is φ = 30497923456.

The previous prime is 64147806089. The next prime is 64147806113. The reversal of 64147806104 is 40160874146.

It is a super-2 number, since 2×64147806104² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28985702 + ... + 28987914.

It is an arithmetic number, because the mean of its divisors is an integer number (1972674000).

Almost surely, 2^64147806104 is an apocalyptic number.

It is an amenable number.

64147806104 is a deficient number, since it is larger than the sum of its proper divisors (62103329896).

64147806104 is a wasteful number, since it uses less digits than its factorization.

64147806104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3104 (or 3100 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 64147806104 in words is "sixty-four billion, one hundred forty-seven million, eight hundred six thousand, one hundred four".