18157554230 has 16 divisors (see below), whose sum is σ = 32830164864. Its totient is φ = 7230451200.

The previous prime is 18157554131. The next prime is 18157554281. The reversal of 18157554230 is 3245575181.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4068971 + ... + 4073430.

It is an arithmetic number, because the mean of its divisors is an integer number (2051885304).

Almost surely, 2^18157554230 is an apocalyptic number.

18157554230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18157554230 is a deficient number, since it is larger than the sum of its proper divisors (14672610634).

18157554230 is a wasteful number, since it uses less digits than its factorization.

18157554230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8142631.

The product of its (nonzero) digits is 168000, while the sum is 41.

The spelling of 18157554230 in words is "eighteen billion, one hundred fifty-seven million, five hundred fifty-four thousand, two hundred thirty".