18127686674 has 16 divisors (see below), whose sum is σ = 27619982208. Its totient is φ = 8922080352.

The previous prime is 18127686671. The next prime is 18127686679. The reversal of 18127686674 is 47668672181.

It is a happy number.

It is a super-2 number, since 2×18127686674² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18127686671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229067 + ... + 297870.

It is an arithmetic number, because the mean of its divisors is an integer number (1726248888).

Almost surely, 2^18127686674 is an apocalyptic number.

18127686674 is a deficient number, since it is larger than the sum of its proper divisors (9492295534).

18127686674 is a wasteful number, since it uses less digits than its factorization.

18127686674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527209.

The product of its digits is 5419008, while the sum is 56.

The spelling of 18127686674 in words is "eighteen billion, one hundred twenty-seven million, six hundred eighty-six thousand, six hundred seventy-four".