18661096 has 16 divisors (see below), whose sum is σ = 36511200. Its totient is φ = 8924784.

The previous prime is 18661091. The next prime is 18661099. The reversal of 18661096 is 69016681.

It is not an unprimeable number, because it can be changed into a prime (18661091) 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, 50526 + ... + 50893.

It is an arithmetic number, because the mean of its divisors is an integer number (2281950).

Almost surely, 2^18661096 is an apocalyptic number.

It is an amenable number.

18661096 is a deficient number, since it is larger than the sum of its proper divisors (17850104).

18661096 is a wasteful number, since it uses less digits than its factorization.

18661096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101448 (or 101444 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 18661096 is about 4319.8490714376. The cubic root of 18661096 is about 265.2440898042.

The spelling of 18661096 in words is "eighteen million, six hundred sixty-one thousand, ninety-six".