164191122 has 24 divisors (see below), whose sum is σ = 374471760. Its totient is φ = 51849720.

The previous prime is 164191099. The next prime is 164191123. The reversal of 164191122 is 221191461.

164191122 is a `hidden beast` number, since 1 + 641 + 9 + 1 + 12 + 2 = 666.

164191122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (164191123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 239704 + ... + 240387.

It is an arithmetic number, because the mean of its divisors is an integer number (15602990).

Almost surely, 2^164191122 is an apocalyptic number.

164191122 is an abundant number, since it is smaller than the sum of its proper divisors (210280638).

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

164191122 is a wasteful number, since it uses less digits than its factorization.

164191122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480118 (or 480115 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 164191122 is about 12813.7083625311. The cubic root of 164191122 is about 547.5829160717.

The spelling of 164191122 in words is "one hundred sixty-four million, one hundred ninety-one thousand, one hundred twenty-two".