164450002004461 has 4 divisors (see below), whose sum is σ = 164450050536924. Its totient is φ = 164449953472000.

The previous prime is 164450002004459. The next prime is 164450002004503. The reversal of 164450002004461 is 164400200054461.

It is a happy number.

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 139589357262436 + 24860644742025 = 11814794^2 + 4986045^2 .

It is a cyclic number.

It is not a de Polignac number, because 164450002004461 - 2¹ = 164450002004459 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 164450002004461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164450002004401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18768340 + ... + 26098861.

It is an arithmetic number, because the mean of its divisors is an integer number (41112512634231).

Almost surely, 2^{164450002004461} is an apocalyptic number.

It is an amenable number.

164450002004461 is a deficient number, since it is larger than the sum of its proper divisors (48532463).

164450002004461 is an equidigital number, since it uses as much as digits as its factorization.

164450002004461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48532462.

The product of its (nonzero) digits is 92160, while the sum is 37.

The spelling of 164450002004461 in words is "one hundred sixty-four trillion, four hundred fifty billion, two million, four thousand, four hundred sixty-one".