16168888968 has 32 divisors (see below), whose sum is σ = 40432344000. Its totient is φ = 5388280128.

The previous prime is 16168888961. The next prime is 16168888973. The reversal of 16168888968 is 86988886161.

It is a super-2 number, since 2×16168888968² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16168888961) 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, 15933 + ... + 180531.

It is an arithmetic number, because the mean of its divisors is an integer number (1263510750).

Almost surely, 2^16168888968 is an apocalyptic number.

It is an amenable number.

16168888968 is an abundant number, since it is smaller than the sum of its proper divisors (24263455032).

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

16168888968 is a wasteful number, since it uses less digits than its factorization.

16168888968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168701 (or 168697 counting only the distinct ones).

The product of its digits is 63700992, while the sum is 69.

The spelling of 16168888968 in words is "sixteen billion, one hundred sixty-eight million, eight hundred eighty-eight thousand, nine hundred sixty-eight".