117168453 has 6 divisors (see below), whose sum is σ = 169243334. Its totient is φ = 78112296.

The previous prime is 117168451. The next prime is 117168473. The reversal of 117168453 is 354861711.

It can be written as a sum of positive squares in only one way, i.e., 93373569 + 23794884 = 9663^2 + 4878^2 .

It is not a de Polignac number, because 117168453 - 2¹ = 117168451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117168451) 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 5 ways as a sum of consecutive naturals, for example, 6509350 + ... + 6509367.

Almost surely, 2^117168453 is an apocalyptic number.

It is an amenable number.

117168453 is a deficient number, since it is larger than the sum of its proper divisors (52074881).

117168453 is a wasteful number, since it uses less digits than its factorization.

117168453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13018723 (or 13018720 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 117168453 is about 10824.4377683093. The cubic root of 117168453 is about 489.3319411819.

The spelling of 117168453 in words is "one hundred seventeen million, one hundred sixty-eight thousand, four hundred fifty-three".