18616677706 has 32 divisors (see below), whose sum is σ = 30837672000. Its totient is φ = 8358430080.

The previous prime is 18616677701. The next prime is 18616677707. The reversal of 18616677706 is 60777661681.

It is not an unprimeable number, because it can be changed into a prime (18616677701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2135745 + ... + 2144443.

It is an arithmetic number, because the mean of its divisors is an integer number (963677250).

Almost surely, 2^18616677706 is an apocalyptic number.

18616677706 is a deficient number, since it is larger than the sum of its proper divisors (12220994294).

18616677706 is a wasteful number, since it uses less digits than its factorization.

18616677706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9894.

The product of its (nonzero) digits is 3556224, while the sum is 55.

The spelling of 18616677706 in words is "eighteen billion, six hundred sixteen million, six hundred seventy-seven thousand, seven hundred six".