18106711566724 has 48 divisors (see below), whose sum is σ = 36165460101120. Its totient is φ = 7851711399840.

The previous prime is 18106711566721. The next prime is 18106711566767. The reversal of 18106711566724 is 42766511760181.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18106711566721) 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, 23220684 + ... + 23987779.

It is an arithmetic number, because the mean of its divisors is an integer number (753447085440).

Almost surely, 2^{18106711566724} is an apocalyptic number.

It is an amenable number.

18106711566724 is a deficient number, since it is larger than the sum of its proper divisors (18058748534396).

18106711566724 is a wasteful number, since it uses less digits than its factorization.

18106711566724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47208880 (or 47208878 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 55.

The spelling of 18106711566724 in words is "eighteen trillion, one hundred six billion, seven hundred eleven million, five hundred sixty-six thousand, seven hundred twenty-four".