64614157296 has 80 divisors (see below), whose sum is σ = 184144359840. Its totient is φ = 19396362240.

The previous prime is 64614157259. The next prime is 64614157319. The reversal of 64614157296 is 69275141646.

It is a happy number.

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, 1237201 + ... + 1288368.

It is an arithmetic number, because the mean of its divisors is an integer number (2301804498).

Almost surely, 2^64614157296 is an apocalyptic number.

It is an amenable number.

64614157296 is an abundant number, since it is smaller than the sum of its proper divisors (119530202544).

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

64614157296 is a wasteful number, since it uses less digits than its factorization.

64614157296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2525634 (or 2525628 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 51.

The spelling of 64614157296 in words is "sixty-four billion, six hundred fourteen million, one hundred fifty-seven thousand, two hundred ninety-six".