117964169 has 4 divisors (see below), whose sum is σ = 118293120. Its totient is φ = 117635220.

The previous prime is 117964163. The next prime is 117964193. The reversal of 117964169 is 961469711.

It is a happy number.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117964169 is a prime.

It is a super-2 number, since 2×117964169² = 27831090335721122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117964163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163937 + ... + 164654.

It is an arithmetic number, because the mean of its divisors is an integer number (29573280).

Almost surely, 2^117964169 is an apocalyptic number.

It is an amenable number.

117964169 is a deficient number, since it is larger than the sum of its proper divisors (328951).

117964169 is an equidigital number, since it uses as much as digits as its factorization.

117964169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328950.

The product of its digits is 81648, while the sum is 44.

The square root of 117964169 is about 10861.1311105244. The cubic root of 117964169 is about 490.4371622706.

The spelling of 117964169 in words is "one hundred seventeen million, nine hundred sixty-four thousand, one hundred sixty-nine".