66046253 has 24 divisors (see below), whose sum is σ = 84284928. Its totient is φ = 50395968.

The previous prime is 66046249. The next prime is 66046283. The reversal of 66046253 is 35264066.

It is not a de Polignac number, because 66046253 - 2² = 66046249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66046243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76100 + ... + 76962.

It is an arithmetic number, because the mean of its divisors is an integer number (3511872).

Almost surely, 2^66046253 is an apocalyptic number.

It is an amenable number.

66046253 is a deficient number, since it is larger than the sum of its proper divisors (18238675).

66046253 is a wasteful number, since it uses less digits than its factorization.

66046253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941 (or 912 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 66046253 is about 8126.8845814371. The cubic root of 66046253 is about 404.2183837931.

The spelling of 66046253 in words is "sixty-six million, forty-six thousand, two hundred fifty-three".