18350135674 has 16 divisors (see below), whose sum is σ = 30084955488. Its totient is φ = 8342885232.

The previous prime is 18350135641. The next prime is 18350135689. The reversal of 18350135674 is 47653105381.

It is a self number, because there is not a number n which added to its sum of digits gives 18350135674.

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, 5265232 + ... + 5268715.

It is an arithmetic number, because the mean of its divisors is an integer number (1880309718).

Almost surely, 2^18350135674 is an apocalyptic number.

18350135674 is a deficient number, since it is larger than the sum of its proper divisors (11734819814).

18350135674 is a wasteful number, since it uses less digits than its factorization.

18350135674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10534029.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 18350135674 in words is "eighteen billion, three hundred fifty million, one hundred thirty-five thousand, six hundred seventy-four".