164122542 has 72 divisors (see below), whose sum is σ = 379290600. Its totient is φ = 51214464.

The previous prime is 164122523. The next prime is 164122561. The reversal of 164122542 is 245221461.

164122542 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (164122523) and next prime (164122561).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2248218 + ... + 2248290.

It is an arithmetic number, because the mean of its divisors is an integer number (5267925).

Almost surely, 2^164122542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164122542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189645300).

164122542 is an abundant number, since it is smaller than the sum of its proper divisors (215168058).

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

164122542 is a wasteful number, since it uses less digits than its factorization.

164122542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242 (or 166 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 164122542 is about 12811.0320427357. The cubic root of 164122542 is about 547.5066665855.

The spelling of 164122542 in words is "one hundred sixty-four million, one hundred twenty-two thousand, five hundred forty-two".