164575546 has 4 divisors (see below), whose sum is σ = 246863322. Its totient is φ = 82287772.

The previous prime is 164575531. The next prime is 164575553. The reversal of 164575546 is 645575461.

164575546 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 645575461 = 4337 ⋅148853.

It can be written as a sum of positive squares in only one way, i.e., 87329025 + 77246521 = 9345^2 + 8789^2 .

It is a super-2 number, since 2×164575546² = 54170220682396232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41143885 + ... + 41143888.

Almost surely, 2^164575546 is an apocalyptic number.

164575546 is a deficient number, since it is larger than the sum of its proper divisors (82287776).

164575546 is an equidigital number, since it uses as much as digits as its factorization.

164575546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82287775.

The product of its digits is 504000, while the sum is 43.

The square root of 164575546 is about 12828.7000900325. The cubic root of 164575546 is about 548.0099386373.

The spelling of 164575546 in words is "one hundred sixty-four million, five hundred seventy-five thousand, five hundred forty-six".