100666602 has 24 divisors (see below), whose sum is σ = 218427300. Its totient is φ = 33506880.

The previous prime is 100666597. The next prime is 100666609. The reversal of 100666602 is 206666001.

It can be written as a sum of positive squares in 2 ways, for example, as 93489561 + 7177041 = 9669^2 + 2679^2 .

It is not an unprimeable number, because it can be changed into a prime (100666609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10024 + ... + 17372.

Almost surely, 2^100666602 is an apocalyptic number.

100666602 is an abundant number, since it is smaller than the sum of its proper divisors (117760698).

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

100666602 is a wasteful number, since it uses less digits than its factorization.

100666602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8118 (or 8115 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 100666602 is about 10033.2747395853. The cubic root of 100666602 is about 465.1879642459.

The spelling of 100666602 in words is "one hundred million, six hundred sixty-six thousand, six hundred two".