18102445834 has 16 divisors (see below), whose sum is σ = 30252445056. Its totient is φ = 8053312000.

The previous prime is 18102445819. The next prime is 18102445843. The reversal of 18102445834 is 43854420181.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8752567 + ... + 8754634.

It is an arithmetic number, because the mean of its divisors is an integer number (1890777816).

Almost surely, 2^18102445834 is an apocalyptic number.

18102445834 is a deficient number, since it is larger than the sum of its proper divisors (12149999222).

18102445834 is a wasteful number, since it uses less digits than its factorization.

18102445834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17507261.

The product of its (nonzero) digits is 122880, while the sum is 40.

The spelling of 18102445834 in words is "eighteen billion, one hundred two million, four hundred forty-five thousand, eight hundred thirty-four".