100660506 has 16 divisors (see below), whose sum is σ = 206003424. Its totient is φ = 32773104.

The previous prime is 100660477. The next prime is 100660523. The reversal of 100660506 is 605066001.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194821 + ... + 195336.

It is an arithmetic number, because the mean of its divisors is an integer number (12875214).

Almost surely, 2^100660506 is an apocalyptic number.

100660506 is an abundant number, since it is smaller than the sum of its proper divisors (105342918).

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

100660506 is a wasteful number, since it uses less digits than its factorization.

100660506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390205.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 100660506 is about 10032.9709458365. The cubic root of 100660506 is about 465.1785740310.

The spelling of 100660506 in words is "one hundred million, six hundred sixty thousand, five hundred six".