164620542 has 8 divisors (see below), whose sum is σ = 329241096. Its totient is φ = 54873512.

The previous prime is 164620523. The next prime is 164620549. The reversal of 164620542 is 245026461.

164620542 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

164620542 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164620549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13718373 + ... + 13718384.

It is an arithmetic number, because the mean of its divisors is an integer number (41155137).

Almost surely, 2^164620542 is an apocalyptic number.

164620542 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.

164620542 is a wasteful number, since it uses less digits than its factorization.

164620542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27436762.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 164620542 is about 12830.4536942386. The cubic root of 164620542 is about 548.0598772195.

The spelling of 164620542 in words is "one hundred sixty-four million, six hundred twenty thousand, five hundred forty-two".