100645888530 has 32 divisors (see below), whose sum is σ = 263509236288. Its totient is φ = 24399003200.

The previous prime is 100645888523. The next prime is 100645888583. The reversal of 100645888530 is 35888546001.

It is a self number, because there is not a number n which added to its sum of digits gives 100645888530.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152493441 + ... + 152494100.

It is an arithmetic number, because the mean of its divisors is an integer number (8234663634).

Almost surely, 2^100645888530 is an apocalyptic number.

100645888530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100645888530 is an abundant number, since it is smaller than the sum of its proper divisors (162863347758).

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

100645888530 is a wasteful number, since it uses less digits than its factorization.

100645888530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304987562.

The product of its (nonzero) digits is 921600, while the sum is 48.

The spelling of 100645888530 in words is "one hundred billion, six hundred forty-five million, eight hundred eighty-eight thousand, five hundred thirty".