18130692 has 48 divisors (see below), whose sum is σ = 44396352. Its totient is φ = 5752320.

The previous prime is 18130681. The next prime is 18130727. The reversal of 18130692 is 29603181.

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, 20728 + ... + 21584.

It is an arithmetic number, because the mean of its divisors is an integer number (924924).

Almost surely, 2^18130692 is an apocalyptic number.

18130692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18130692 is an abundant number, since it is smaller than the sum of its proper divisors (26265660).

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

18130692 is a wasteful number, since it uses less digits than its factorization.

18130692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948 (or 946 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 18130692 is about 4258.0150305042. The cubic root of 18130692 is about 262.7068881464.

The spelling of 18130692 in words is "eighteen million, one hundred thirty thousand, six hundred ninety-two".