66453 has 8 divisors (see below), whose sum is σ = 93888. Its totient is φ = 41664.

The previous prime is 66449. The next prime is 66457. The reversal of 66453 is 35466.

It is an interprime number because it is at equal distance from previous prime (66449) and next prime (66457).

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

It is not a de Polignac number, because 66453 - 2² = 66449 is a prime.

It is an Ulam number.

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 601 + ... + 702.

It is an arithmetic number, because the mean of its divisors is an integer number (11736).

2⁶⁶⁴⁵³ is an apocalyptic number.

It is an amenable number.

66453 is a deficient number, since it is larger than the sum of its proper divisors (27435).

66453 is a wasteful number, since it uses less digits than its factorization.

66453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323.

The product of its digits is 2160, while the sum is 24.

The square root of 66453 is about 257.7847939658. The cubic root of 66453 is about 40.5046481481.

It can be divided in two parts, 664 and 53, that added together give a palindrome (717).

The spelling of 66453 in words is "sixty-six thousand, four hundred fifty-three".