164140122 has 8 divisors (see below), whose sum is σ = 328280256. Its totient is φ = 54713372.

The previous prime is 164140063. The next prime is 164140147. The reversal of 164140122 is 221041461.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

164140122 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13678338 + ... + 13678349.

It is an arithmetic number, because the mean of its divisors is an integer number (41035032).

Almost surely, 2^164140122 is an apocalyptic number.

164140122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

164140122 is a wasteful number, since it uses less digits than its factorization.

164140122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27356692.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 164140122 is about 12811.7181517547. The cubic root of 164140122 is about 547.5262146285.

Adding to 164140122 its reverse (221041461), we get a palindrome (385181583).

The spelling of 164140122 in words is "one hundred sixty-four million, one hundred forty thousand, one hundred twenty-two".