66286804 has 12 divisors (see below), whose sum is σ = 119744128. Its totient is φ = 32074200.

The previous prime is 66286799. The next prime is 66286823. The reversal of 66286804 is 40868266.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267162 + ... + 267409.

Almost surely, 2^66286804 is an apocalyptic number.

It is an amenable number.

66286804 is a deficient number, since it is larger than the sum of its proper divisors (53457324).

66286804 is a wasteful number, since it uses less digits than its factorization.

66286804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534606 (or 534604 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 66286804 is about 8141.6708358911. The cubic root of 66286804 is about 404.7085318418.

The spelling of 66286804 in words is "sixty-six million, two hundred eighty-six thousand, eight hundred four".