18358086234 has 32 divisors (see below), whose sum is σ = 37579608000. Its totient is φ = 5975528832.

The previous prime is 18358086233. The next prime is 18358086269. The reversal of 18358086234 is 43268085381.

It is not an unprimeable number, because it can be changed into a prime (18358086233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1477054 + ... + 1489430.

It is an arithmetic number, because the mean of its divisors is an integer number (1174362750).

Almost surely, 2^18358086234 is an apocalyptic number.

18358086234 is an abundant number, since it is smaller than the sum of its proper divisors (19221521766).

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

18358086234 is a wasteful number, since it uses less digits than its factorization.

18358086234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18174.

The product of its (nonzero) digits is 1105920, while the sum is 48.

The spelling of 18358086234 in words is "eighteen billion, three hundred fifty-eight million, eighty-six thousand, two hundred thirty-four".