116181616 has 20 divisors (see below), whose sum is σ = 225280224. Its totient is φ = 58044800.

The previous prime is 116181601. The next prime is 116181619. The reversal of 116181616 is 616181611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116181619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27996 + ... + 31876.

Almost surely, 2^116181616 is an apocalyptic number.

116181616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

116181616 is a deficient number, since it is larger than the sum of its proper divisors (109098608).

116181616 is a wasteful number, since it uses less digits than its factorization.

116181616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5760 (or 5754 counting only the distinct ones).

The product of its digits is 1728, while the sum is 31.

The square root of 116181616 is about 10778.7576278530. The cubic root of 116181616 is about 487.9542866792.

The spelling of 116181616 in words is "one hundred sixteen million, one hundred eighty-one thousand, six hundred sixteen".