66802036 has 12 divisors (see below), whose sum is σ = 133604128. Its totient is φ = 28629432.

The previous prime is 66802033. The next prime is 66802039. The reversal of 66802036 is 63020866.

It is an interprime number because it is at equal distance from previous prime (66802033) and next prime (66802039).

66802036 is an admirable number.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 66801989 and 66802007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66802031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1192866 + ... + 1192921.

Almost surely, 2^66802036 is an apocalyptic number.

It is an amenable number.

66802036 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

66802036 is a wasteful number, since it uses less digits than its factorization.

66802036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2385798 (or 2385796 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 66802036 is about 8173.2512502675. The cubic root of 66802036 is about 405.7543953648.

The spelling of 66802036 in words is "sixty-six million, eight hundred two thousand, thirty-six".