164240534 has 8 divisors (see below), whose sum is σ = 251009280. Its totient is φ = 80570776.

The previous prime is 164240509. The next prime is 164240551. The reversal of 164240534 is 435042461.

164240534 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.

It is a junction number, because it is equal to n+sod(n) for n = 164240497 and 164240506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 774614 + ... + 774825.

It is an arithmetic number, because the mean of its divisors is an integer number (31376160).

Almost surely, 2^164240534 is an apocalyptic number.

164240534 is a deficient number, since it is larger than the sum of its proper divisors (86768746).

164240534 is a wasteful number, since it uses less digits than its factorization.

164240534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549494.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 164240534 is about 12815.6363088221. The cubic root of 164240534 is about 547.6378407898.

Adding to 164240534 its reverse (435042461), we get a palindrome (599282995).

The spelling of 164240534 in words is "one hundred sixty-four million, two hundred forty thousand, five hundred thirty-four".