18626460677 has 8 divisors (see below), whose sum is σ = 20321684352. Its totient is φ = 16931555200.

The previous prime is 18626460673. The next prime is 18626460683. The reversal of 18626460677 is 77606462681.

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 18626460677 - 2² = 18626460673 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 (18626460673) 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, 52373 + ... + 199989.

It is an arithmetic number, because the mean of its divisors is an integer number (2540210544).

Almost surely, 2^18626460677 is an apocalyptic number.

It is an amenable number.

18626460677 is a deficient number, since it is larger than the sum of its proper divisors (1695223675).

18626460677 is a wasteful number, since it uses less digits than its factorization.

18626460677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159099.

The product of its (nonzero) digits is 4064256, while the sum is 53.

The spelling of 18626460677 in words is "eighteen billion, six hundred twenty-six million, four hundred sixty thousand, six hundred seventy-seven".