16631646119 has 8 divisors (see below), whose sum is σ = 18145649808. Its totient is φ = 15117981760.

The previous prime is 16631646077. The next prime is 16631646121. The reversal of 16631646119 is 91164613661.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16631646119 is a prime.

It is a super-2 number, since 2×16631646119² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16631646119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16631646719) 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, 23699 + ... + 183915.

It is an arithmetic number, because the mean of its divisors is an integer number (2268206226).

Almost surely, 2^16631646119 is an apocalyptic number.

16631646119 is a deficient number, since it is larger than the sum of its proper divisors (1514003689).

16631646119 is a wasteful number, since it uses less digits than its factorization.

16631646119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169665.

The product of its digits is 139968, while the sum is 44.

The spelling of 16631646119 in words is "sixteen billion, six hundred thirty-one million, six hundred forty-six thousand, one hundred nineteen".