66286602 has 24 divisors (see below), whose sum is σ = 144086436. Its totient is φ = 22023936.

The previous prime is 66286601. The next prime is 66286613. The reversal of 66286602 is 20668266.

It can be written as a sum of positive squares in 2 ways, for example, as 58384881 + 7901721 = 7641^2 + 2811^2 .

It is a super-4 number, since 4×66286602⁴ (a number of 32 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (66286601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103 + ... + 11514.

Almost surely, 2^66286602 is an apocalyptic number.

66286602 is an abundant number, since it is smaller than the sum of its proper divisors (77799834).

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

66286602 is a wasteful number, since it uses less digits than its factorization.

66286602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11942 (or 11939 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 66286602 is about 8141.6584305656. The cubic root of 66286602 is about 404.7081207433.

The spelling of 66286602 in words is "sixty-six million, two hundred eighty-six thousand, six hundred two".