18164016677 has 8 divisors (see below), whose sum is σ = 18613445760. Its totient is φ = 17714892640.

The previous prime is 18164016671. The next prime is 18164016721. The reversal of 18164016677 is 77661046181.

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

It is a cyclic number.

It is not a de Polignac number, because 18164016677 - 2¹⁴ = 18164000293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18164016671) 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, 46724 + ... + 196242.

It is an arithmetic number, because the mean of its divisors is an integer number (2326680720).

Almost surely, 2^18164016677 is an apocalyptic number.

It is an amenable number.

18164016677 is a deficient number, since it is larger than the sum of its proper divisors (449429083).

18164016677 is a wasteful number, since it uses less digits than its factorization.

18164016677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152523.

The product of its (nonzero) digits is 338688, while the sum is 47.

The spelling of 18164016677 in words is "eighteen billion, one hundred sixty-four million, sixteen thousand, six hundred seventy-seven".