117964221198 has 16 divisors (see below), whose sum is σ = 243539037696. Its totient is φ = 38052974520.

The previous prime is 117964221181. The next prime is 117964221211. The reversal of 117964221198 is 891122469711.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 117964221198.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317107936 + ... + 317108307.

It is an arithmetic number, because the mean of its divisors is an integer number (15221189856).

Almost surely, 2^117964221198 is an apocalyptic number.

117964221198 is an abundant number, since it is smaller than the sum of its proper divisors (125574816498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117964221198 is a wasteful number, since it uses less digits than its factorization.

117964221198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634216279.

The product of its digits is 435456, while the sum is 51.

The spelling of 117964221198 in words is "one hundred seventeen billion, nine hundred sixty-four million, two hundred twenty-one thousand, one hundred ninety-eight".