100666650 has 48 divisors (see below), whose sum is σ = 285321024. Its totient is φ = 23009280.

The previous prime is 100666649. The next prime is 100666691. The reversal of 100666650 is 56666001.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46887 + ... + 48986.

It is an arithmetic number, because the mean of its divisors is an integer number (5944188).

Almost surely, 2^100666650 is an apocalyptic number.

100666650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100666650 is an abundant number, since it is smaller than the sum of its proper divisors (184654374).

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

100666650 is a wasteful number, since it uses less digits than its factorization.

100666650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95895 (or 95890 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 100666650 is about 10033.2771316255. The cubic root of 100666650 is about 465.1880381831.

The spelling of 100666650 in words is "one hundred million, six hundred sixty-six thousand, six hundred fifty".