64103621100 has 72 divisors (see below), whose sum is σ = 190485964368. Its totient is φ = 16632288000.

The previous prime is 64103621093. The next prime is 64103621117. The reversal of 64103621100 is 112630146.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2876451 + ... + 2898650.

It is an arithmetic number, because the mean of its divisors is an integer number (2645638394).

Almost surely, 2^64103621100 is an apocalyptic number.

64103621100 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64103621100 is an abundant number, since it is smaller than the sum of its proper divisors (126382343268).

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

64103621100 is a wasteful number, since it uses less digits than its factorization.

64103621100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5775155 (or 5775148 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The spelling of 64103621100 in words is "sixty-four billion, one hundred three million, six hundred twenty-one thousand, one hundred".