66026452 has 12 divisors (see below), whose sum is σ = 115609536. Its totient is φ = 32995160.

The previous prime is 66026449. The next prime is 66026459. The reversal of 66026452 is 25462066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66026459) 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, 6927 + ... + 13417.

It is an arithmetic number, because the mean of its divisors is an integer number (9634128).

Almost surely, 2^66026452 is an apocalyptic number.

It is an amenable number.

66026452 is a deficient number, since it is larger than the sum of its proper divisors (49583084).

66026452 is a wasteful number, since it uses less digits than its factorization.

66026452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9038 (or 9036 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 66026452 is about 8125.6662496069. Note that the first 3 decimals coincide. The cubic root of 66026452 is about 404.1779841849.

The spelling of 66026452 in words is "sixty-six million, twenty-six thousand, four hundred fifty-two".