117416491 has 2 divisors, whose sum is σ = 117416492. Its totient is φ = 117416490.

The previous prime is 117416489. The next prime is 117416581. The reversal of 117416491 is 194614711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117416491 - 2¹ = 117416489 is a prime.

It is a super-3 number, since 3×117416491³ (a number of 25 digits) contains 333 as substring.

Together with 117416489, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (117416461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58708245 + 58708246.

It is an arithmetic number, because the mean of its divisors is an integer number (58708246).

Almost surely, 2^117416491 is an apocalyptic number.

117416491 is a deficient number, since it is larger than the sum of its proper divisors (1).

117416491 is an equidigital number, since it uses as much as digits as its factorization.

117416491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 34.

The square root of 117416491 is about 10835.8890267481. The cubic root of 117416491 is about 489.6769924516.

The spelling of 117416491 in words is "one hundred seventeen million, four hundred sixteen thousand, four hundred ninety-one".