66339250 has 32 divisors (see below), whose sum is σ = 124675200. Its totient is φ = 26431600.

The previous prime is 66339233. The next prime is 66339281. The reversal of 66339250 is 5293366.

66339250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 110451 + ... + 111049.

It is an arithmetic number, because the mean of its divisors is an integer number (3896100).

Almost surely, 2^66339250 is an apocalyptic number.

66339250 is a deficient number, since it is larger than the sum of its proper divisors (58335950).

66339250 is a wasteful number, since it uses less digits than its factorization.

66339250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059 (or 1049 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 34.

The square root of 66339250 is about 8144.8910367174. The cubic root of 66339250 is about 404.8152385919.

The spelling of 66339250 in words is "sixty-six million, three hundred thirty-nine thousand, two hundred fifty".