66132366 has 32 divisors (see below), whose sum is σ = 136401408. Its totient is φ = 21362880.

The previous prime is 66132343. The next prime is 66132373. The reversal of 66132366 is 66323166.

66132366 = 205² + 206² + ... + 591².

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34411 + ... + 36281.

It is an arithmetic number, because the mean of its divisors is an integer number (4262544).

Almost surely, 2^66132366 is an apocalyptic number.

66132366 is an abundant number, since it is smaller than the sum of its proper divisors (70269042).

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

66132366 is a wasteful number, since it uses less digits than its factorization.

66132366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056.

The product of its digits is 23328, while the sum is 33.

The square root of 66132366 is about 8132.1808882980. The cubic root of 66132366 is about 404.3939846736.

The spelling of 66132366 in words is "sixty-six million, one hundred thirty-two thousand, three hundred sixty-six".