164073601 has 4 divisors (see below), whose sum is σ = 164347204. Its totient is φ = 163800000.

The previous prime is 164073583. The next prime is 164073629. The reversal of 164073601 is 106370461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 106370461 = 6389 ⋅16649.

It can be written as a sum of positive squares in 2 ways, for example, as 149450625 + 14622976 = 12225^2 + 3824^2 .

It is a cyclic number.

It is not a de Polignac number, because 164073601 - 2⁷ = 164073473 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 164073601.

It is not an unprimeable number, because it can be changed into a prime (164073641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135900 + ... + 137101.

It is an arithmetic number, because the mean of its divisors is an integer number (41086801).

Almost surely, 2^164073601 is an apocalyptic number.

It is an amenable number.

164073601 is a deficient number, since it is larger than the sum of its proper divisors (273603).

164073601 is an equidigital number, since it uses as much as digits as its factorization.

164073601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273602.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 164073601 is about 12809.1217887879. The cubic root of 164073601 is about 547.4522393928.

The spelling of 164073601 in words is "one hundred sixty-four million, seventy-three thousand, six hundred one".