164200542 has 48 divisors (see below), whose sum is σ = 374588928. Its totient is φ = 47584240.

The previous prime is 164200541. The next prime is 164200549. The reversal of 164200542 is 245002461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164200541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32563 + ... + 37265.

It is an arithmetic number, because the mean of its divisors is an integer number (7803936).

Almost surely, 2^164200542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164200542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187294464).

164200542 is an abundant number, since it is smaller than the sum of its proper divisors (210388386).

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

164200542 is a wasteful number, since it uses less digits than its factorization.

164200542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4765 (or 4742 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 164200542 is about 12814.0759323488. The cubic root of 164200542 is about 547.5933878770.

The spelling of 164200542 in words is "one hundred sixty-four million, two hundred thousand, five hundred forty-two".