65552431104 has 72 divisors (see below), whose sum is σ = 189327509280. Its totient is φ = 21850804224.

The previous prime is 65552431057. The next prime is 65552431129. The reversal of 65552431104 is 40113425556.

65552431104 is a `hidden beast` number, since 65 + 552 + 4 + 31 + 10 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1759792 + ... + 1796655.

It is an arithmetic number, because the mean of its divisors is an integer number (2629548740).

Almost surely, 2^65552431104 is an apocalyptic number.

65552431104 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

65552431104 is an abundant number, since it is smaller than the sum of its proper divisors (123775078176).

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

65552431104 is a wasteful number, since it uses less digits than its factorization.

65552431104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3556475 (or 3556452 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 65552431104 in words is "sixty-five billion, five hundred fifty-two million, four hundred thirty-one thousand, one hundred four".