64159796364 has 24 divisors (see below), whose sum is σ = 149770206768. Its totient is φ = 21377453760.

The previous prime is 64159796347. The next prime is 64159796383. The reversal of 64159796364 is 46369795146.

It is a happy number.

It is a super-3 number, since 3×64159796364³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64159796298 and 64159796307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1113867 + ... + 1170050.

It is an arithmetic number, because the mean of its divisors is an integer number (6240425282).

Almost surely, 2^64159796364 is an apocalyptic number.

It is an amenable number.

64159796364 is an abundant number, since it is smaller than the sum of its proper divisors (85610410404).

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

64159796364 is a wasteful number, since it uses less digits than its factorization.

64159796364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2286265 (or 2286263 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 60.

The spelling of 64159796364 in words is "sixty-four billion, one hundred fifty-nine million, seven hundred ninety-six thousand, three hundred sixty-four".