66225087 has 16 divisors (see below), whose sum is σ = 98242560. Its totient is φ = 44091000.

The previous prime is 66225059. The next prime is 66225097. The reversal of 66225087 is 78052266.

It is not a de Polignac number, because 66225087 - 2⁶ = 66225023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66225007) 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 15 ways as a sum of consecutive naturals, for example, 30012 + ... + 32142.

It is an arithmetic number, because the mean of its divisors is an integer number (6140160).

Almost surely, 2^66225087 is an apocalyptic number.

66225087 is a deficient number, since it is larger than the sum of its proper divisors (32017473).

66225087 is a wasteful number, since it uses less digits than its factorization.

66225087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3291 (or 3285 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 66225087 is about 8137.8797607239. The cubic root of 66225087 is about 404.5828901817.

The spelling of 66225087 in words is "sixty-six million, two hundred twenty-five thousand, eighty-seven".