66132453 has 8 divisors (see below), whose sum is σ = 89418816. Its totient is φ = 43467200.

The previous prime is 66132449. The next prime is 66132461. The reversal of 66132453 is 35423166.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66132453 - 2² = 66132449 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 66132453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66132463) 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, 155028 + ... + 155453.

It is an arithmetic number, because the mean of its divisors is an integer number (11177352).

Almost surely, 2^66132453 is an apocalyptic number.

It is an amenable number.

66132453 is a deficient number, since it is larger than the sum of its proper divisors (23286363).

66132453 is a wasteful number, since it uses less digits than its factorization.

66132453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310555.

The product of its digits is 12960, while the sum is 30.

The square root of 66132453 is about 8132.1862374149. The cubic root of 66132453 is about 404.3941620061.

The spelling of 66132453 in words is "sixty-six million, one hundred thirty-two thousand, four hundred fifty-three".