16117017290 has 48 divisors (see below), whose sum is σ = 31931028360. Its totient is φ = 5852774400.

The previous prime is 16117017281. The next prime is 16117017353. The reversal of 16117017290 is 9271071161.

It can be written as a sum of positive squares in 4 ways, for example, as 10467540721 + 5649476569 = 102311^2 + 75163^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16117017290.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 921830 + ... + 939150.

Almost surely, 2^16117017290 is an apocalyptic number.

16117017290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16117017290 is a deficient number, since it is larger than the sum of its proper divisors (15814011070).

16117017290 is a wasteful number, since it uses less digits than its factorization.

16117017290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18119 (or 18108 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 35.

The spelling of 16117017290 in words is "sixteen billion, one hundred seventeen million, seventeen thousand, two hundred ninety".