164764542 has 16 divisors (see below), whose sum is σ = 346872960. Its totient is φ = 52030872.

The previous prime is 164764541. The next prime is 164764549. The reversal of 164764542 is 245467461.

It is a self number, because there is not a number n which added to its sum of digits gives 164764542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164764541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 722538 + ... + 722765.

It is an arithmetic number, because the mean of its divisors is an integer number (21679560).

Almost surely, 2^164764542 is an apocalyptic number.

164764542 is an abundant number, since it is smaller than the sum of its proper divisors (182108418).

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

164764542 is a wasteful number, since it uses less digits than its factorization.

164764542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445327.

The product of its digits is 161280, while the sum is 39.

The square root of 164764542 is about 12836.0641163871. The cubic root of 164764542 is about 548.2196337539.

The spelling of 164764542 in words is "one hundred sixty-four million, seven hundred sixty-four thousand, five hundred forty-two".