18296819632 has 80 divisors (see below), whose sum is σ = 43660330560. Its totient is φ = 7233417216.

The previous prime is 18296819623. The next prime is 18296819663. The reversal of 18296819632 is 23691869281.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2782044 + ... + 2788612.

It is an arithmetic number, because the mean of its divisors is an integer number (545754132).

Almost surely, 2^18296819632 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 18296819632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21830165280).

18296819632 is an abundant number, since it is smaller than the sum of its proper divisors (25363510928).

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

18296819632 is a wasteful number, since it uses less digits than its factorization.

18296819632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8510 (or 8504 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 55.

The spelling of 18296819632 in words is "eighteen billion, two hundred ninety-six million, eight hundred nineteen thousand, six hundred thirty-two".