164259541 has 4 divisors (see below), whose sum is σ = 172904800. Its totient is φ = 155614284.

The previous prime is 164259533. The next prime is 164259547. The reversal of 164259541 is 145952461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 164259541 - 2³ = 164259533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 164259541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164259547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4322601 + ... + 4322638.

It is an arithmetic number, because the mean of its divisors is an integer number (43226200).

Almost surely, 2^164259541 is an apocalyptic number.

It is an amenable number.

164259541 is a deficient number, since it is larger than the sum of its proper divisors (8645259).

164259541 is an equidigital number, since it uses as much as digits as its factorization.

164259541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8645258.

The product of its digits is 43200, while the sum is 37.

The square root of 164259541 is about 12816.3778424327. The cubic root of 164259541 is about 547.6589653983.

The spelling of 164259541 in words is "one hundred sixty-four million, two hundred fifty-nine thousand, five hundred forty-one".