117661114197 has 24 divisors (see below), whose sum is σ = 185910641280. Its totient is φ = 71115439680.

The previous prime is 117661114157. The next prime is 117661114201. The reversal of 117661114197 is 791411166711.

117661114197 is a `hidden beast` number, since 1 + 1 + 7 + 6 + 611 + 14 + 19 + 7 = 666.

It is not a de Polignac number, because 117661114197 - 2⁶ = 117661114133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117661114117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1582872 + ... + 1655537.

It is an arithmetic number, because the mean of its divisors is an integer number (7746276720).

Almost surely, 2^117661114197 is an apocalyptic number.

It is an amenable number.

117661114197 is a deficient number, since it is larger than the sum of its proper divisors (68249527083).

117661114197 is a wasteful number, since it uses less digits than its factorization.

117661114197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3238793 (or 3238790 counting only the distinct ones).

The product of its digits is 63504, while the sum is 45.

The spelling of 117661114197 in words is "one hundred seventeen billion, six hundred sixty-one million, one hundred fourteen thousand, one hundred ninety-seven".