64532100368 has 40 divisors (see below), whose sum is σ = 132979488768. Its totient is φ = 30231839232.

The previous prime is 64532100349. The next prime is 64532100379. The reversal of 64532100368 is 86300123546.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471296 + ... + 592607.

Almost surely, 2^64532100368 is an apocalyptic number.

64532100368 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

64532100368 is an abundant number, since it is smaller than the sum of its proper divisors (68447388400).

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

64532100368 is a wasteful number, since it uses less digits than its factorization.

64532100368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064151 (or 1064145 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 64532100368 in words is "sixty-four billion, five hundred thirty-two million, one hundred thousand, three hundred sixty-eight".