18587066674 has 16 divisors (see below), whose sum is σ = 30710496960. Its totient is φ = 8366639760.

The previous prime is 18587066669. The next prime is 18587066717. The reversal of 18587066674 is 47666078581.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4099029 + ... + 4103560.

It is an arithmetic number, because the mean of its divisors is an integer number (1919406060).

Almost surely, 2^18587066674 is an apocalyptic number.

18587066674 is a deficient number, since it is larger than the sum of its proper divisors (12123430286).

18587066674 is a wasteful number, since it uses less digits than its factorization.

18587066674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8202705.

The product of its (nonzero) digits is 13547520, while the sum is 58.

The spelling of 18587066674 in words is "eighteen billion, five hundred eighty-seven million, sixty-six thousand, six hundred seventy-four".