116618507 has 2 divisors, whose sum is σ = 116618508. Its totient is φ = 116618506.

The previous prime is 116618503. The next prime is 116618543. The reversal of 116618507 is 705816611.

It is a weak prime.

It is an emirp because it is prime and its reverse (705816611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 116618507 - 2² = 116618503 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (116618503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58309253 + 58309254.

It is an arithmetic number, because the mean of its divisors is an integer number (58309254).

Almost surely, 2^116618507 is an apocalyptic number.

116618507 is a deficient number, since it is larger than the sum of its proper divisors (1).

116618507 is an equidigital number, since it uses as much as digits as its factorization.

116618507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 116618507 is about 10799.0049078607. The cubic root of 116618507 is about 488.5651583525.

The spelling of 116618507 in words is "one hundred sixteen million, six hundred eighteen thousand, five hundred seven".