164465752361 has 4 divisors (see below), whose sum is σ = 164471409924. Its totient is φ = 164460094800.

The previous prime is 164465752349. The next prime is 164465752417. The reversal of 164465752361 is 163257564461.

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 74679225625 + 89786526736 = 273275^2 + 299644^2 .

It is a cyclic number.

It is not a de Polignac number, because 164465752361 - 2¹⁴ = 164465735977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (164465752261) 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, 2784950 + ... + 2843391.

It is an arithmetic number, because the mean of its divisors is an integer number (41117852481).

Almost surely, 2^164465752361 is an apocalyptic number.

It is an amenable number.

164465752361 is a deficient number, since it is larger than the sum of its proper divisors (5657563).

164465752361 is an equidigital number, since it uses as much as digits as its factorization.

164465752361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5657562.

The product of its digits is 3628800, while the sum is 50.

The spelling of 164465752361 in words is "one hundred sixty-four billion, four hundred sixty-five million, seven hundred fifty-two thousand, three hundred sixty-one".