16981688282 has 32 divisors (see below), whose sum is σ = 28719895680. Its totient is φ = 7476235200.

The previous prime is 16981688281. The next prime is 16981688303. The reversal of 16981688282 is 28288618961.

It is a super-2 number, since 2×16981688282² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16981688281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73094 + ... + 198257.

It is an arithmetic number, because the mean of its divisors is an integer number (897496740).

Almost surely, 2^16981688282 is an apocalyptic number.

16981688282 is a deficient number, since it is larger than the sum of its proper divisors (11738207398).

16981688282 is a wasteful number, since it uses less digits than its factorization.

16981688282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271478.

The product of its digits is 5308416, while the sum is 59.

The spelling of 16981688282 in words is "sixteen billion, nine hundred eighty-one million, six hundred eighty-eight thousand, two hundred eighty-two".