116681655 has 8 divisors (see below), whose sum is σ = 186690672. Its totient is φ = 62230208.

The previous prime is 116681651. The next prime is 116681707. The reversal of 116681655 is 556186611.

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

It is a cyclic number.

It is not a de Polignac number, because 116681655 - 2² = 116681651 is a prime.

It is a super-2 number, since 2×116681655² = 27229217227078050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116681651) 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, 3889374 + ... + 3889403.

It is an arithmetic number, because the mean of its divisors is an integer number (23336334).

Almost surely, 2^116681655 is an apocalyptic number.

116681655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

116681655 is a deficient number, since it is larger than the sum of its proper divisors (70009017).

116681655 is an equidigital number, since it uses as much as digits as its factorization.

116681655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7778785.

The product of its digits is 43200, while the sum is 39.

The square root of 116681655 is about 10801.9283000768. The cubic root of 116681655 is about 488.6533271643.

The spelling of 116681655 in words is "one hundred sixteen million, six hundred eighty-one thousand, six hundred fifty-five".