116658294661 has 2 divisors, whose sum is σ = 116658294662. Its totient is φ = 116658294660.

The previous prime is 116658294637. The next prime is 116658294677. The reversal of 116658294661 is 166492856611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81344744100 + 35313550561 = 285210^2 + 187919^2 .

It is a cyclic number.

It is not a de Polignac number, because 116658294661 - 2²¹ = 116656197509 is a prime.

It is a super-2 number, since 2×116658294661² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116658294601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58329147330 + 58329147331.

It is an arithmetic number, because the mean of its divisors is an integer number (58329147331).

Almost surely, 2^116658294661 is an apocalyptic number.

It is an amenable number.

116658294661 is a deficient number, since it is larger than the sum of its proper divisors (1).

116658294661 is an equidigital number, since it uses as much as digits as its factorization.

116658294661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3732480, while the sum is 55.

The spelling of 116658294661 in words is "one hundred sixteen billion, six hundred fifty-eight million, two hundred ninety-four thousand, six hundred sixty-one".