100661084 has 12 divisors (see below), whose sum is σ = 176253000. Its totient is φ = 50303088.

The previous prime is 100661083. The next prime is 100661101. The reversal of 100661084 is 480166001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100661081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2942 + ... + 14490.

It is an arithmetic number, because the mean of its divisors is an integer number (14687750).

Almost surely, 2^100661084 is an apocalyptic number.

It is an amenable number.

100661084 is a deficient number, since it is larger than the sum of its proper divisors (75591916).

100661084 is a wasteful number, since it uses less digits than its factorization.

100661084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13732 (or 13730 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 100661084 is about 10032.9997508223. Note that the first 3 decimals coincide. The cubic root of 100661084 is about 465.1794643925.

The spelling of 100661084 in words is "one hundred million, six hundred sixty-one thousand, eighty-four".