116651669 has 2 divisors, whose sum is σ = 116651670. Its totient is φ = 116651668.

The previous prime is 116651663. The next prime is 116651681. The reversal of 116651669 is 966156611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59830225 + 56821444 = 7735^2 + 7538^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116651669 is a prime.

It is a super-2 number, since 2×116651669² = 27215223760971122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116651663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58325834 + 58325835.

It is an arithmetic number, because the mean of its divisors is an integer number (58325835).

Almost surely, 2^116651669 is an apocalyptic number.

It is an amenable number.

116651669 is a deficient number, since it is larger than the sum of its proper divisors (1).

116651669 is an equidigital number, since it uses as much as digits as its factorization.

116651669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 41.

The square root of 116651669 is about 10800.5402179706. The cubic root of 116651669 is about 488.6114639310.

The spelling of 116651669 in words is "one hundred sixteen million, six hundred fifty-one thousand, six hundred sixty-nine".