18107698 has 16 divisors (see below), whose sum is σ = 31480704. Its totient is φ = 7650720.

The previous prime is 18107659. The next prime is 18107699. The reversal of 18107698 is 89670181.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 18107698.

It is not an unprimeable number, because it can be changed into a prime (18107699) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8115 + ... + 10102.

It is an arithmetic number, because the mean of its divisors is an integer number (1967544).

Almost surely, 2^18107698 is an apocalyptic number.

18107698 is a deficient number, since it is larger than the sum of its proper divisors (13373006).

18107698 is a wasteful number, since it uses less digits than its factorization.

18107698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18297.

The product of its (nonzero) digits is 24192, while the sum is 40.

The square root of 18107698 is about 4255.3140894651. The cubic root of 18107698 is about 262.5957830351.

The spelling of 18107698 in words is "eighteen million, one hundred seven thousand, six hundred ninety-eight".