18190424634 has 8 divisors (see below), whose sum is σ = 36380849280. Its totient is φ = 6063474876.

The previous prime is 18190424597. The next prime is 18190424641. The reversal of 18190424634 is 43642409181.

It is a sphenic number, since it is the product of 3 distinct primes.

18190424634 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 1515868714 + ... + 1515868725.

It is an arithmetic number, because the mean of its divisors is an integer number (4547606160).

Almost surely, 2^18190424634 is an apocalyptic number.

18190424634 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18190424634 is a wasteful number, since it uses less digits than its factorization.

18190424634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3031737444.

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 18190424634 in words is "eighteen billion, one hundred ninety million, four hundred twenty-four thousand, six hundred thirty-four".