165132466 has 4 divisors (see below), whose sum is σ = 247698702. Its totient is φ = 82566232.

The previous prime is 165132463. The next prime is 165132503. The reversal of 165132466 is 664231561.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 664231561 = 7 ⋅94890223.

It can be written as a sum of positive squares in only one way, i.e., 154380625 + 10751841 = 12425^2 + 3279^2 .

It is not an unprimeable number, because it can be changed into a prime (165132463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41283115 + ... + 41283118.

Almost surely, 2^165132466 is an apocalyptic number.

165132466 is a deficient number, since it is larger than the sum of its proper divisors (82566236).

165132466 is an equidigital number, since it uses as much as digits as its factorization.

165132466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82566235.

The product of its digits is 25920, while the sum is 34.

The square root of 165132466 is about 12850.3877762502. The cubic root of 165132466 is about 548.6273938373.

The spelling of 165132466 in words is "one hundred sixty-five million, one hundred thirty-two thousand, four hundred sixty-six".