18967116 has 36 divisors (see below), whose sum is σ = 51483768. Its totient is φ = 5419008.

The previous prime is 18967099. The next prime is 18967127. The reversal of 18967116 is 61176981.

18967116 = 598² + 599² + ... + 646².

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, 15541 + ... + 16716.

Almost surely, 2^18967116 is an apocalyptic number.

It is an amenable number.

18967116 is an abundant number, since it is smaller than the sum of its proper divisors (32516652).

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

18967116 is a wasteful number, since it uses less digits than its factorization.

18967116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32278 (or 32269 counting only the distinct ones).

The product of its digits is 18144, while the sum is 39.

The square root of 18967116 is about 4355.1252565225. The cubic root of 18967116 is about 266.6861326068.

The spelling of 18967116 in words is "eighteen million, nine hundred sixty-seven thousand, one hundred sixteen".