117165361 has 4 divisors (see below), whose sum is σ = 117219312. Its totient is φ = 117111412.

The previous prime is 117165359. The next prime is 117165397. The reversal of 117165361 is 163561711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 163561711 = 29 ⋅5640059.

It is a cyclic number.

It is not a de Polignac number, because 117165361 - 2¹ = 117165359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117165311) 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 in 3 ways as a sum of consecutive naturals, for example, 23575 + ... + 28108.

It is an arithmetic number, because the mean of its divisors is an integer number (29304828).

Almost surely, 2^117165361 is an apocalyptic number.

It is an amenable number.

117165361 is a deficient number, since it is larger than the sum of its proper divisors (53951).

117165361 is an equidigital number, since it uses as much as digits as its factorization.

117165361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53950.

The product of its digits is 3780, while the sum is 31.

The square root of 117165361 is about 10824.2949423969. The cubic root of 117165361 is about 489.3276367592.

The spelling of 117165361 in words is "one hundred seventeen million, one hundred sixty-five thousand, three hundred sixty-one".