66286448 has 10 divisors (see below), whose sum is σ = 128430024. Its totient is φ = 33143216.

The previous prime is 66286427. The next prime is 66286457. The reversal of 66286448 is 84468266.

It is a junction number, because it is equal to n+sod(n) for n = 66286399 and 66286408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2071436 + ... + 2071467.

Almost surely, 2^66286448 is an apocalyptic number.

It is an amenable number.

66286448 is a deficient number, since it is larger than the sum of its proper divisors (62143576).

66286448 is a wasteful number, since it uses less digits than its factorization.

66286448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4142911 (or 4142905 counting only the distinct ones).

The product of its digits is 442368, while the sum is 44.

The square root of 66286448 is about 8141.6489730275. The cubic root of 66286448 is about 404.7078073311.

The spelling of 66286448 in words is "sixty-six million, two hundred eighty-six thousand, four hundred forty-eight".