66536682 has 16 divisors (see below), whose sum is σ = 133164192. Its totient is φ = 22163760.

The previous prime is 66536671. The next prime is 66536683. The reversal of 66536682 is 28663566.

It is not an unprimeable number, because it can be changed into a prime (66536683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9132 + ... + 14712.

It is an arithmetic number, because the mean of its divisors is an integer number (8322762).

Almost surely, 2^66536682 is an apocalyptic number.

66536682 is an abundant number, since it is smaller than the sum of its proper divisors (66627510).

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

66536682 is a wasteful number, since it uses less digits than its factorization.

66536682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7573.

The product of its digits is 311040, while the sum is 42.

The square root of 66536682 is about 8157.0020228023. The cubic root of 66536682 is about 405.2164305778.

The spelling of 66536682 in words is "sixty-six million, five hundred thirty-six thousand, six hundred eighty-two".