18737412645166 has 8 divisors (see below), whose sum is σ = 28111294111824. Its totient is φ = 9366981274560.

The previous prime is 18737412645109. The next prime is 18737412645187. The reversal of 18737412645166 is 66154621473781.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 862510435 + ... + 862532158.

It is an arithmetic number, because the mean of its divisors is an integer number (3513911763978).

Almost surely, 2^{18737412645166} is an apocalyptic number.

18737412645166 is a deficient number, since it is larger than the sum of its proper divisors (9373881466658).

18737412645166 is a wasteful number, since it uses less digits than its factorization.

18737412645166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725048026.

The product of its digits is 40642560, while the sum is 61.

The spelling of 18737412645166 in words is "eighteen trillion, seven hundred thirty-seven billion, four hundred twelve million, six hundred forty-five thousand, one hundred sixty-six".