66436036 has 12 divisors (see below), whose sum is σ = 116320428. Its totient is φ = 33201632.

The previous prime is 66436033. The next prime is 66436039. The reversal of 66436036 is 63063466.

It is an interprime number because it is at equal distance from previous prime (66436033) and next prime (66436039).

It can be written as a sum of positive squares in 2 ways, for example, as 20196036 + 46240000 = 4494^2 + 6800^2 .

It is a junction number, because it is equal to n+sod(n) for n = 66435992 and 66436010.

It is not an unprimeable number, because it can be changed into a prime (66436033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12450 + ... + 16966.

It is an arithmetic number, because the mean of its divisors is an integer number (9693369).

Almost surely, 2^66436036 is an apocalyptic number.

It is an amenable number.

66436036 is a deficient number, since it is larger than the sum of its proper divisors (49884392).

66436036 is a wasteful number, since it uses less digits than its factorization.

66436036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8198 (or 8196 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 34.

The square root of 66436036 is about 8150.8303871446. The cubic root of 66436036 is about 405.0120120402.

The spelling of 66436036 in words is "sixty-six million, four hundred thirty-six thousand, thirty-six".