1918914192 has 80 divisors (see below), whose sum is σ = 5931703680. Its totient is φ = 590433408.

The previous prime is 1918914181. The next prime is 1918914233. The reversal of 1918914192 is 2914198191.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

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, 165228 + ... + 176459.

It is an arithmetic number, because the mean of its divisors is an integer number (74146296).

Almost surely, 2^1918914192 is an apocalyptic number.

1918914192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1918914192 is an abundant number, since it is smaller than the sum of its proper divisors (4012789488).

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

1918914192 is a wasteful number, since it uses less digits than its factorization.

1918914192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341717 (or 341705 counting only the distinct ones).

The product of its digits is 46656, while the sum is 45.

The square root of 1918914192 is about 43805.4128162263. The cubic root of 1918914192 is about 1242.6586625126.

The spelling of 1918914192 in words is "one billion, nine hundred eighteen million, nine hundred fourteen thousand, one hundred ninety-two".