116655391 has 2 divisors, whose sum is σ = 116655392. Its totient is φ = 116655390.

The previous prime is 116655361. The next prime is 116655403. The reversal of 116655391 is 193556611.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116655391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 116655391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116655361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58327695 + 58327696.

It is an arithmetic number, because the mean of its divisors is an integer number (58327696).

Almost surely, 2^116655391 is an apocalyptic number.

116655391 is a deficient number, since it is larger than the sum of its proper divisors (1).

116655391 is an equidigital number, since it uses as much as digits as its factorization.

116655391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24300, while the sum is 37.

The square root of 116655391 is about 10800.7125227922. The cubic root of 116655391 is about 488.6166605777.

The spelling of 116655391 in words is "one hundred sixteen million, six hundred fifty-five thousand, three hundred ninety-one".