16831712890 has 8 divisors (see below), whose sum is σ = 30297083220. Its totient is φ = 6732685152.

The previous prime is 16831712879. The next prime is 16831712921. The reversal of 16831712890 is 9821713861.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15934770289 + 896942601 = 126233^2 + 29949^2 .

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

It is a super-2 number, since 2×16831712890² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16831712890.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 841585635 + ... + 841585654.

Almost surely, 2^16831712890 is an apocalyptic number.

16831712890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16831712890 is a deficient number, since it is larger than the sum of its proper divisors (13465370330).

16831712890 is a wasteful number, since it uses less digits than its factorization.

16831712890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683171296.

The product of its (nonzero) digits is 145152, while the sum is 46.

The spelling of 16831712890 in words is "sixteen billion, eight hundred thirty-one million, seven hundred twelve thousand, eight hundred ninety".