116208681 has 8 divisors (see below), whose sum is σ = 156479424. Its totient is φ = 76705200.

The previous prime is 116208679. The next prime is 116208689. The reversal of 116208681 is 186802611.

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

It is not a de Polignac number, because 116208681 - 2¹ = 116208679 is a prime.

It is a super-2 number, since 2×116208681² = 27008915079519522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (116208689) 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, 191461 + ... + 192066.

It is an arithmetic number, because the mean of its divisors is an integer number (19559928).

Almost surely, 2^116208681 is an apocalyptic number.

It is an amenable number.

116208681 is a deficient number, since it is larger than the sum of its proper divisors (40270743).

116208681 is a wasteful number, since it uses less digits than its factorization.

116208681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383631.

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 116208681 is about 10780.0130333873. The cubic root of 116208681 is about 487.9921740772.

It can be divided in two parts, 11620 and 8681, that added together give a triangular number (20301 = T₂₀₁).

The spelling of 116208681 in words is "one hundred sixteen million, two hundred eight thousand, six hundred eighty-one".