100006660615500 has 72 divisors (see below), whose sum is σ = 315487678702560. Its totient is φ = 26668442829600.

The previous prime is 100006660615483. The next prime is 100006660615507. The reversal of 100006660615500 is 5516066600001.

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

It is not an unprimeable number, because it can be changed into a prime (100006660615507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11111846680 + ... + 11111855679.

Almost surely, 2^{100006660615500} is an apocalyptic number.

100006660615500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100006660615500 is an abundant number, since it is smaller than the sum of its proper divisors (215481018087060).

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

100006660615500 is a wasteful number, since it uses less digits than its factorization.

100006660615500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22223702384 (or 22223702369 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 100006660615500 in words is "one hundred trillion, six billion, six hundred sixty million, six hundred fifteen thousand, five hundred".