164888461 has 4 divisors (see below), whose sum is σ = 170574300. Its totient is φ = 159202624.

The previous prime is 164888453. The next prime is 164888467.

164888461 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 104142025 + 60746436 = 10205^2 + 7794^2 .

It is a cyclic number.

It is not a de Polignac number, because 164888461 - 2³ = 164888453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164888467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2842876 + ... + 2842933.

It is an arithmetic number, because the mean of its divisors is an integer number (42643575).

Almost surely, 2^164888461 is an apocalyptic number.

It is an amenable number.

164888461 is a deficient number, since it is larger than the sum of its proper divisors (5685839).

164888461 is an equidigital number, since it uses as much as digits as its factorization.

164888461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5685838.

The product of its digits is 294912, while the sum is 46.

The square root of 164888461 is about 12840.8901949982. The cubic root of 164888461 is about 548.3570375179.

It can be divided in two parts, 1648 and 88461, that added together give a palindrome (90109).

The spelling of 164888461 in words is "one hundred sixty-four million, eight hundred eighty-eight thousand, four hundred sixty-one".