66453052 has 12 divisors (see below), whose sum is σ = 116802280. Its totient is φ = 33080976.

The previous prime is 66453031. The next prime is 66453053. The reversal of 66453052 is 25035466.

It is a super-2 number, since 2×66453052² = 8832016240229408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66453053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35358 + ... + 37189.

Almost surely, 2^66453052 is an apocalyptic number.

It is an amenable number.

66453052 is a deficient number, since it is larger than the sum of its proper divisors (50349228).

66453052 is a wasteful number, since it uses less digits than its factorization.

66453052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72780 (or 72778 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 66453052 is about 8151.8741403434. The cubic root of 66453052 is about 405.0465871319.

The spelling of 66453052 in words is "sixty-six million, four hundred fifty-three thousand, fifty-two".