18466536 has 48 divisors (see below), whose sum is σ = 50752800. Its totient is φ = 5595040.

The previous prime is 18466519. The next prime is 18466541. The reversal of 18466536 is 63566481.

It is a junction number, because it is equal to n+sod(n) for n = 18466494 and 18466503.

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, 276 + ... + 6083.

It is an arithmetic number, because the mean of its divisors is an integer number (1057350).

Almost surely, 2^18466536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18466536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25376400).

18466536 is an abundant number, since it is smaller than the sum of its proper divisors (32286264).

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

18466536 is a wasteful number, since it uses less digits than its factorization.

18466536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6390 (or 6375 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 18466536 is about 4297.2707617743. The cubic root of 18466536 is about 264.3190586889.

The spelling of 18466536 in words is "eighteen million, four hundred sixty-six thousand, five hundred thirty-six".