66495832 has 32 divisors (see below), whose sum is σ = 136558800. Its totient is φ = 30167424.

The previous prime is 66495817. The next prime is 66495833. The reversal of 66495832 is 23859466.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66495833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718 + ... + 11554.

Almost surely, 2^66495832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66495832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68279400).

66495832 is an abundant number, since it is smaller than the sum of its proper divisors (70062968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66495832 is a wasteful number, since it uses less digits than its factorization.

66495832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10915 (or 10911 counting only the distinct ones).

The product of its digits is 311040, while the sum is 43.

The square root of 66495832 is about 8154.4976546689. The cubic root of 66495832 is about 405.1334864563.

The spelling of 66495832 in words is "sixty-six million, four hundred ninety-five thousand, eight hundred thirty-two".