18137258779674 has 16 divisors (see below), whose sum is σ = 36277107099840. Its totient is φ = 6045321336480.

The previous prime is 18137258779657. The next prime is 18137258779681. The reversal of 18137258779674 is 47697785273181.

It is a junction number, because it is equal to n+sod(n) for n = 18137258779596 and 18137258779605.

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, 107806462 + ... + 107974569.

It is an arithmetic number, because the mean of its divisors is an integer number (2267319193740).

Almost surely, 2^{18137258779674} is an apocalyptic number.

18137258779674 is an abundant number, since it is smaller than the sum of its proper divisors (18139848320166).

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

18137258779674 is a wasteful number, since it uses less digits than its factorization.

18137258779674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215795045.

The product of its digits is 995742720, while the sum is 75.

The spelling of 18137258779674 in words is "eighteen trillion, one hundred thirty-seven billion, two hundred fifty-eight million, seven hundred seventy-nine thousand, six hundred seventy-four".