66086802 has 24 divisors (see below), whose sum is σ = 143922636. Its totient is φ = 21915936.

The previous prime is 66086789. The next prime is 66086833. The reversal of 66086802 is 20868066.

It can be written as a sum of positive squares in 2 ways, for example, as 65950641 + 136161 = 8121^2 + 369^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5773 + ... + 12864.

Almost surely, 2^66086802 is an apocalyptic number.

66086802 is an abundant number, since it is smaller than the sum of its proper divisors (77835834).

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

66086802 is a wasteful number, since it uses less digits than its factorization.

66086802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18842 (or 18839 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 66086802 is about 8129.3789430682. The cubic root of 66086802 is about 404.3010899639.

The spelling of 66086802 in words is "sixty-six million, eighty-six thousand, eight hundred two".