116667917 has 2 divisors, whose sum is σ = 116667918. Its totient is φ = 116667916.

The previous prime is 116667907. The next prime is 116667979. The reversal of 116667917 is 719766611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70073641 + 46594276 = 8371^2 + 6826^2 .

It is an emirp because it is prime and its reverse (719766611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 116667917 - 2¹⁴ = 116651533 is a prime.

It is a super-2 number, since 2×116667917² = 27222805714237778, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116667907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58333958 + 58333959.

It is an arithmetic number, because the mean of its divisors is an integer number (58333959).

Almost surely, 2^116667917 is an apocalyptic number.

It is an amenable number.

116667917 is a deficient number, since it is larger than the sum of its proper divisors (1).

116667917 is an equidigital number, since it uses as much as digits as its factorization.

116667917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256, while the sum is 44.

The square root of 116667917 is about 10801.2923763779. The cubic root of 116667917 is about 488.6341485343.

The spelling of 116667917 in words is "one hundred sixteen million, six hundred sixty-seven thousand, nine hundred seventeen".