66126453 has 8 divisors (see below), whose sum is σ = 88235328. Its totient is φ = 44050944.

The previous prime is 66126451. The next prime is 66126469. The reversal of 66126453 is 35462166.

66126453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 66126453 - 2¹ = 66126451 is a prime.

It is a super-2 number, since 2×66126453² = 8745415572722418, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66126451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3276 + ... + 11957.

It is an arithmetic number, because the mean of its divisors is an integer number (11029416).

Almost surely, 2^66126453 is an apocalyptic number.

It is an amenable number.

66126453 is a deficient number, since it is larger than the sum of its proper divisors (22108875).

66126453 is a wasteful number, since it uses less digits than its factorization.

66126453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16683.

The product of its digits is 25920, while the sum is 33.

The square root of 66126453 is about 8131.8173245591. The cubic root of 66126453 is about 404.3819318113.

The spelling of 66126453 in words is "sixty-six million, one hundred twenty-six thousand, four hundred fifty-three".