100161906 has 24 divisors (see below), whose sum is σ = 216920880. Its totient is φ = 30818736.

The previous prime is 100161883. The next prime is 100161937. The reversal of 100161906 is 609161001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48376 + ... + 50403.

It is an arithmetic number, because the mean of its divisors is an integer number (9038370).

Almost surely, 2^100161906 is an apocalyptic number.

100161906 is an abundant number, since it is smaller than the sum of its proper divisors (116758974).

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

100161906 is a wasteful number, since it uses less digits than its factorization.

100161906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98810 (or 98797 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 100161906 is about 10008.0920259558. The cubic root of 100161906 is about 464.4092486516.

The spelling of 100161906 in words is "one hundred million, one hundred sixty-one thousand, nine hundred six".