18716496 has 20 divisors (see below), whose sum is σ = 48351072. Its totient is φ = 6238816.

The previous prime is 18716491. The next prime is 18716497. The reversal of 18716496 is 69461781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18716491) 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, 194916 + ... + 195011.

Almost surely, 2^18716496 is an apocalyptic number.

18716496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18716496 is an abundant number, since it is smaller than the sum of its proper divisors (29634576).

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

18716496 is a wasteful number, since it uses less digits than its factorization.

18716496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389938 (or 389932 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 18716496 is about 4326.2565804631. The cubic root of 18716496 is about 265.5063110065.

The spelling of 18716496 in words is "eighteen million, seven hundred sixteen thousand, four hundred ninety-six".