18630165965 has 8 divisors (see below), whose sum is σ = 22417117440. Its totient is φ = 14863520592.

The previous prime is 18630165959. The next prime is 18630165971. The reversal of 18630165965 is 56956103681.

It is an interprime number because it is at equal distance from previous prime (18630165959) and next prime (18630165971).

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 18630165965 - 2⁴ = 18630165949 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5074505 + ... + 5078174.

It is an arithmetic number, because the mean of its divisors is an integer number (2802139680).

Almost surely, 2^18630165965 is an apocalyptic number.

It is an amenable number.

18630165965 is a deficient number, since it is larger than the sum of its proper divisors (3786951475).

18630165965 is a wasteful number, since it uses less digits than its factorization.

18630165965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10153051.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The spelling of 18630165965 in words is "eighteen billion, six hundred thirty million, one hundred sixty-five thousand, nine hundred sixty-five".