66285084 has 48 divisors (see below), whose sum is σ = 158336640. Its totient is φ = 21576000.

The previous prime is 66285073. The next prime is 66285113. The reversal of 66285084 is 48058266.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177522 + ... + 177894.

It is an arithmetic number, because the mean of its divisors is an integer number (3298680).

Almost surely, 2^66285084 is an apocalyptic number.

It is an amenable number.

66285084 is an abundant number, since it is smaller than the sum of its proper divisors (92051556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66285084 is a wasteful number, since it uses less digits than its factorization.

66285084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 688 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 66285084 is about 8141.5652057820. The cubic root of 66285084 is about 404.7050313728.

The spelling of 66285084 in words is "sixty-six million, two hundred eighty-five thousand, eighty-four".