16175136768 has 408 divisors, whose sum is σ = 53074317888. Its totient is φ = 4359979008.

The previous prime is 16175136767. The next prime is 16175136781. The reversal of 16175136768 is 86763157161.

Its product of digits (1270080) is a multiple of the sum of its prime divisors (108).

It is a self number, because there is not a number n which added to its sum of digits gives 16175136768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16175136763) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 221577180 + ... + 221577252.

Almost surely, 2^16175136768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16175136768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26537158944).

16175136768 is an abundant number, since it is smaller than the sum of its proper divisors (36899181120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16175136768 is an frugal number, since it uses more digits than its factorization.

16175136768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 108 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 51.

The spelling of 16175136768 in words is "sixteen billion, one hundred seventy-five million, one hundred thirty-six thousand, seven hundred sixty-eight".