18901106 has 16 divisors (see below), whose sum is σ = 32585280. Its totient is φ = 8054640.

The previous prime is 18901079. The next prime is 18901133. The reversal of 18901106 is 60110981.

It is an interprime number because it is at equal distance from previous prime (18901079) and next prime (18901133).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1196 + ... + 6263.

It is an arithmetic number, because the mean of its divisors is an integer number (2036580).

Almost surely, 2^18901106 is an apocalyptic number.

18901106 is a deficient number, since it is larger than the sum of its proper divisors (13684174).

18901106 is a wasteful number, since it uses less digits than its factorization.

18901106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7649.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 18901106 is about 4347.5402240807. The cubic root of 18901106 is about 266.3763963041.

The spelling of 18901106 in words is "eighteen million, nine hundred one thousand, one hundred six".