66382850 has 24 divisors (see below), whose sum is σ = 123825780. Its totient is φ = 26477120.

The previous prime is 66382837. The next prime is 66382861. The reversal of 66382850 is 5828366.

66382850 = 4703² + 4704² + 4705².

66382850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 32638369 + 33744481 = 5713^2 + 5809^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

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 11 ways as a sum of consecutive naturals, for example, 17744 + ... + 21156.

Almost surely, 2^66382850 is an apocalyptic number.

66382850 is a deficient number, since it is larger than the sum of its proper divisors (57442930).

66382850 is a wasteful number, since it uses less digits than its factorization.

66382850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3814 (or 3809 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 66382850 is about 8147.5671215400. The cubic root of 66382850 is about 404.9039044478.

The spelling of 66382850 in words is "sixty-six million, three hundred eighty-two thousand, eight hundred fifty".