66286246 has 16 divisors (see below), whose sum is σ = 110533248. Its totient is φ = 29606400.

The previous prime is 66286243. The next prime is 66286261. The reversal of 66286246 is 64268266.

It is a junction number, because it is equal to n+sod(n) for n = 66286199 and 66286208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66286243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40315 + ... + 41926.

It is an arithmetic number, because the mean of its divisors is an integer number (6908328).

Almost surely, 2^66286246 is an apocalyptic number.

66286246 is a deficient number, since it is larger than the sum of its proper divisors (44247002).

66286246 is a wasteful number, since it uses less digits than its factorization.

66286246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82287.

The product of its digits is 165888, while the sum is 40.

The square root of 66286246 is about 8141.6365676687. The cubic root of 66286246 is about 404.7073962311.

The spelling of 66286246 in words is "sixty-six million, two hundred eighty-six thousand, two hundred forty-six".