18461696 has 66 divisors (see below), whose sum is σ = 40837650. Its totient is φ = 8335360.

The previous prime is 18461671. The next prime is 18461701. The reversal of 18461696 is 69616481.

It can be written as a sum of positive squares in only one way, i.e., 12390400 + 6071296 = 3520^2 + 2464^2 .

Its product of digits (62208) is a multiple of the sum of its prime divisors (162).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123830 + ... + 123978.

Almost surely, 2^18461696 is an apocalyptic number.

18461696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18461696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20418825).

18461696 is an abundant number, since it is smaller than the sum of its proper divisors (22375954).

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

18461696 is a wasteful number, since it uses less digits than its factorization.

18461696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 162 counting only the distinct ones).

The product of its digits is 62208, while the sum is 41.

The square root of 18461696 is about 4296.7075767383. The cubic root of 18461696 is about 264.2959643734.

The spelling of 18461696 in words is "eighteen million, four hundred sixty-one thousand, six hundred ninety-six".