116561693 has 2 divisors, whose sum is σ = 116561694. Its totient is φ = 116561692.

The previous prime is 116561671. The next prime is 116561737. The reversal of 116561693 is 396165611.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113592964 + 2968729 = 10658^2 + 1723^2 .

It is a cyclic number.

It is not a de Polignac number, because 116561693 - 2⁶ = 116561629 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116561633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58280846 + 58280847.

It is an arithmetic number, because the mean of its divisors is an integer number (58280847).

Almost surely, 2^116561693 is an apocalyptic number.

It is an amenable number.

116561693 is a deficient number, since it is larger than the sum of its proper divisors (1).

116561693 is an equidigital number, since it uses as much as digits as its factorization.

116561693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 38.

The square root of 116561693 is about 10796.3740672505. The cubic root of 116561693 is about 488.4858060255.

The spelling of 116561693 in words is "one hundred sixteen million, five hundred sixty-one thousand, six hundred ninety-three".