116049981 has 16 divisors (see below), whose sum is σ = 156124800. Its totient is φ = 76675008.

The previous prime is 116049979. The next prime is 116050001. The reversal of 116049981 is 189940611.

It is not a de Polignac number, because 116049981 - 2¹ = 116049979 is a prime.

It is a super-2 number, since 2×116049981² = 26935196180200722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116049971) 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, 298135 + ... + 298523.

It is an arithmetic number, because the mean of its divisors is an integer number (9757800).

Almost surely, 2^116049981 is an apocalyptic number.

It is an amenable number.

116049981 is a deficient number, since it is larger than the sum of its proper divisors (40074819).

116049981 is a wasteful number, since it uses less digits than its factorization.

116049981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028.

The product of its (nonzero) digits is 15552, while the sum is 39.

The square root of 116049981 is about 10772.6496740588. The cubic root of 116049981 is about 487.7699312465.

The spelling of 116049981 in words is "one hundred sixteen million, forty-nine thousand, nine hundred eighty-one".