18284196580 has 48 divisors (see below), whose sum is σ = 41507794944. Its totient is φ = 6725393280.

The previous prime is 18284196577. The next prime is 18284196613. The reversal of 18284196580 is 8569148281.

It is a happy number.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (52).

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, 65316 + ... + 202075.

It is an arithmetic number, because the mean of its divisors is an integer number (864745728).

Almost surely, 2^18284196580 is an apocalyptic number.

18284196580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18284196580 is an abundant number, since it is smaller than the sum of its proper divisors (23223598364).

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

18284196580 is a wasteful number, since it uses less digits than its factorization.

18284196580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267676 (or 267674 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 52.

The spelling of 18284196580 in words is "eighteen billion, two hundred eighty-four million, one hundred ninety-six thousand, five hundred eighty".