16890140841790 has 16 divisors (see below), whose sum is σ = 30404124370368. Its totient is φ = 6755640591136.

The previous prime is 16890140841779. The next prime is 16890140841797. The reversal of 16890140841790 is 9714804109861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16890140841797) 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, 51797542 + ... + 52122601.

It is an arithmetic number, because the mean of its divisors is an integer number (1900257773148).

Almost surely, 2^{16890140841790} is an apocalyptic number.

16890140841790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16890140841790 is a deficient number, since it is larger than the sum of its proper divisors (13513983528578).

16890140841790 is a wasteful number, since it uses less digits than its factorization.

16890140841790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103936403.

The product of its (nonzero) digits is 3483648, while the sum is 58.

The spelling of 16890140841790 in words is "sixteen trillion, eight hundred ninety billion, one hundred forty million, eight hundred forty-one thousand, seven hundred ninety".