16890681298 has 8 divisors (see below), whose sum is σ = 25361591040. Its totient is φ = 8436817620.

The previous prime is 16890681289. The next prime is 16890681299. The reversal of 16890681298 is 89218609861.

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

It is a super-2 number, since 2×16890681298² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16890681299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4259038 + ... + 4263001.

It is an arithmetic number, because the mean of its divisors is an integer number (3170198880).

Almost surely, 2^16890681298 is an apocalyptic number.

16890681298 is a deficient number, since it is larger than the sum of its proper divisors (8470909742).

16890681298 is an equidigital number, since it uses as much as digits as its factorization.

16890681298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8523032.

The product of its (nonzero) digits is 2985984, while the sum is 58.

The spelling of 16890681298 in words is "sixteen billion, eight hundred ninety million, six hundred eighty-one thousand, two hundred ninety-eight".