116611655 has 4 divisors (see below), whose sum is σ = 139933992. Its totient is φ = 93289320.

The previous prime is 116611613. The next prime is 116611661. The reversal of 116611655 is 556116611.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 116611655 - 2¹⁰ = 116610631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11661161 + ... + 11661170.

It is an arithmetic number, because the mean of its divisors is an integer number (34983498).

Almost surely, 2^116611655 is an apocalyptic number.

116611655 is a deficient number, since it is larger than the sum of its proper divisors (23322337).

116611655 is an equidigital number, since it uses as much as digits as its factorization.

116611655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23322336.

The product of its digits is 5400, while the sum is 32.

The square root of 116611655 is about 10798.6876517473. The cubic root of 116611655 is about 488.5555895053. Note that the first 4 decimals are identical.

It can be divided in two parts, 1166 and 11655, that added together give a palindrome (12821).

The spelling of 116611655 in words is "one hundred sixteen million, six hundred eleven thousand, six hundred fifty-five".