16943983890 has 16 divisors (see below), whose sum is σ = 40665561408. Its totient is φ = 4518395696.

The previous prime is 16943983871. The next prime is 16943983897. The reversal of 16943983890 is 9838934961.

It is not an unprimeable number, because it can be changed into a prime (16943983897) 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, 282399702 + ... + 282399761.

It is an arithmetic number, because the mean of its divisors is an integer number (2541597588).

Almost surely, 2^16943983890 is an apocalyptic number.

16943983890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16943983890 is an abundant number, since it is smaller than the sum of its proper divisors (23721577518).

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

16943983890 is a wasteful number, since it uses less digits than its factorization.

16943983890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564799473.

The product of its (nonzero) digits is 10077696, while the sum is 60.

The spelling of 16943983890 in words is "sixteen billion, nine hundred forty-three million, nine hundred eighty-three thousand, eight hundred ninety".