64472957826816 has 288 divisors, whose sum is σ = 221310002188800. Its totient is φ = 16168766423040.

The previous prime is 64472957826799. The next prime is 64472957826839. The reversal of 64472957826816 is 61862875927446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17082451 + ... + 20512338.

It is an arithmetic number, because the mean of its divisors is an integer number (768437507600).

Almost surely, 2^{64472957826816} is an apocalyptic number.

64472957826816 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

64472957826816 is an abundant number, since it is smaller than the sum of its proper divisors (156837044361984).

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

64472957826816 is a wasteful number, since it uses less digits than its factorization.

64472957826816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37594855 (or 37594841 counting only the distinct ones).

The product of its digits is 1950842880, while the sum is 75.

The spelling of 64472957826816 in words is "sixty-four trillion, four hundred seventy-two billion, nine hundred fifty-seven million, eight hundred twenty-six thousand, eight hundred sixteen".