368116591 has 2 divisors, whose sum is σ = 368116592. Its totient is φ = 368116590.

The previous prime is 368116577. The next prime is 368116601. The reversal of 368116591 is 195611863.

It is a strong prime.

It is an emirp because it is prime and its reverse (195611863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 368116591 - 2²³ = 359727983 is a prime.

It is a super-2 number, since 2×368116591² = 271019649138922562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (368116501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184058295 + 184058296.

It is an arithmetic number, because the mean of its divisors is an integer number (184058296).

Almost surely, 2^368116591 is an apocalyptic number.

368116591 is a deficient number, since it is larger than the sum of its proper divisors (1).

368116591 is an equidigital number, since it uses as much as digits as its factorization.

368116591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 40.

The square root of 368116591 is about 19186.3647155995. The cubic root of 368116591 is about 716.6852457656.

The spelling of 368116591 in words is "three hundred sixty-eight million, one hundred sixteen thousand, five hundred ninety-one".