116179561 has 2 divisors, whose sum is σ = 116179562. Its totient is φ = 116179560.

The previous prime is 116179559. The next prime is 116179579. The reversal of 116179561 is 165971611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102637161 + 13542400 = 10131^2 + 3680^2 .

It is a cyclic number.

It is not a de Polignac number, because 116179561 - 2¹ = 116179559 is a prime.

Together with 116179559, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 116179561.

It is not a weakly prime, because it can be changed into another prime (116179961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58089780 + 58089781.

It is an arithmetic number, because the mean of its divisors is an integer number (58089781).

Almost surely, 2^116179561 is an apocalyptic number.

It is an amenable number.

116179561 is a deficient number, since it is larger than the sum of its proper divisors (1).

116179561 is an equidigital number, since it uses as much as digits as its factorization.

116179561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 37.

The square root of 116179561 is about 10778.6623010465. The cubic root of 116179561 is about 487.9514097123.

The spelling of 116179561 in words is "one hundred sixteen million, one hundred seventy-nine thousand, five hundred sixty-one".