116612665405 has 8 divisors (see below), whose sum is σ = 139956828984. Its totient is φ = 93275712000.

The previous prime is 116612665387. The next prime is 116612665409. The reversal of 116612665405 is 504566216611.

It can be written as a sum of positive squares in 4 ways, for example, as 12762446841 + 103850218564 = 112971^2 + 322258^2 .

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

It is not a de Polignac number, because 116612665405 - 2⁹ = 116612664893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116612665409) 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, 1766896 + ... + 1831705.

It is an arithmetic number, because the mean of its divisors is an integer number (17494603623).

Almost surely, 2^116612665405 is an apocalyptic number.

It is an amenable number.

116612665405 is a deficient number, since it is larger than the sum of its proper divisors (23344163579).

116612665405 is an equidigital number, since it uses as much as digits as its factorization.

116612665405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3605087.

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 116612665405 in words is "one hundred sixteen billion, six hundred twelve million, six hundred sixty-five thousand, four hundred five".