64351926696 has 64 divisors (see below), whose sum is σ = 161958121920. Its totient is φ = 21307207680.

The previous prime is 64351926673. The next prime is 64351926697. The reversal of 64351926696 is 69662915346.

It is not an unprimeable number, because it can be changed into a prime (64351926697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3153486 + ... + 3173826.

It is an arithmetic number, because the mean of its divisors is an integer number (2530595655).

Almost surely, 2^64351926696 is an apocalyptic number.

It is an amenable number.

64351926696 is an abundant number, since it is smaller than the sum of its proper divisors (97606195224).

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

64351926696 is a wasteful number, since it uses less digits than its factorization.

64351926696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21226 (or 21222 counting only the distinct ones).

The product of its digits is 12597120, while the sum is 57.

The spelling of 64351926696 in words is "sixty-four billion, three hundred fifty-one million, nine hundred twenty-six thousand, six hundred ninety-six".