16636048863 has 32 divisors (see below), whose sum is σ = 25703208960. Its totient is φ = 9374227200.

The previous prime is 16636048843. The next prime is 16636048883. The reversal of 16636048863 is 36884063661.

It is an interprime number because it is at equal distance from previous prime (16636048843) and next prime (16636048883).

It is not a de Polignac number, because 16636048863 - 2⁶ = 16636048799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16636048843) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1415913 + ... + 1427613.

It is an arithmetic number, because the mean of its divisors is an integer number (803225280).

Almost surely, 2^16636048863 is an apocalyptic number.

16636048863 is a deficient number, since it is larger than the sum of its proper divisors (9067160097).

16636048863 is a wasteful number, since it uses less digits than its factorization.

16636048863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12647.

The product of its (nonzero) digits is 2985984, while the sum is 51.

The spelling of 16636048863 in words is "sixteen billion, six hundred thirty-six million, forty-eight thousand, eight hundred sixty-three".