164542105 has 32 divisors (see below), whose sum is σ = 246000384. Its totient is φ = 102871296.

The previous prime is 164542097. The next prime is 164542127. The reversal of 164542105 is 501245461.

It is a cyclic number.

It is not a de Polignac number, because 164542105 - 2³ = 164542097 is a prime.

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, 35587 + ... + 39943.

It is an arithmetic number, because the mean of its divisors is an integer number (7687512).

Almost surely, 2^164542105 is an apocalyptic number.

It is an amenable number.

164542105 is a deficient number, since it is larger than the sum of its proper divisors (81458279).

164542105 is a wasteful number, since it uses less digits than its factorization.

164542105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4465.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 164542105 is about 12827.3966571553. The cubic root of 164542105 is about 547.9728184166.

Adding to 164542105 its reverse (501245461), we get a palindrome (665787566).

The spelling of 164542105 in words is "one hundred sixty-four million, five hundred forty-two thousand, one hundred five".