164005534 has 64 divisors (see below), whose sum is σ = 319127040. Its totient is φ = 61361280.

The previous prime is 164005519. The next prime is 164005553. The reversal of 164005534 is 435500461.

164005534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 609552 + ... + 609820.

It is an arithmetic number, because the mean of its divisors is an integer number (4986360).

Almost surely, 2^164005534 is an apocalyptic number.

164005534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

164005534 is a deficient number, since it is larger than the sum of its proper divisors (155121506).

164005534 is a wasteful number, since it uses less digits than its factorization.

164005534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 164005534 is about 12806.4645394426. The cubic root of 164005534 is about 547.3765242147.

Adding to 164005534 its reverse (435500461), we get a palindrome (599505995).

The spelling of 164005534 in words is "one hundred sixty-four million, five thousand, five hundred thirty-four".