16631012113 has 8 divisors (see below), whose sum is σ = 17634114720. Its totient is φ = 15640688160.

The previous prime is 16631012051. The next prime is 16631012129. The reversal of 16631012113 is 31121013661.

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 16631012113 - 2³³ = 8041077521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16631012173) 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, 3191983 + ... + 3197188.

It is an arithmetic number, because the mean of its divisors is an integer number (2204264340).

Almost surely, 2^16631012113 is an apocalyptic number.

It is an amenable number.

16631012113 is a deficient number, since it is larger than the sum of its proper divisors (1003102607).

16631012113 is a wasteful number, since it uses less digits than its factorization.

16631012113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6389327.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 16631012113 its reverse (31121013661), we get a palindrome (47752025774).

The spelling of 16631012113 in words is "sixteen billion, six hundred thirty-one million, twelve thousand, one hundred thirteen".