66202036 has 6 divisors (see below), whose sum is σ = 115853570. Its totient is φ = 33101016.

The previous prime is 66202013. The next prime is 66202049. The reversal of 66202036 is 63020266.

It can be written as a sum of positive squares in only one way, i.e., 50552100 + 15649936 = 7110^2 + 3956^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 66202036.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8275251 + ... + 8275258.

Almost surely, 2^66202036 is an apocalyptic number.

It is an amenable number.

66202036 is a deficient number, since it is larger than the sum of its proper divisors (49651534).

66202036 is a wasteful number, since it uses less digits than its factorization.

66202036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16550513 (or 16550511 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 66202036 is about 8136.4633594701. The cubic root of 66202036 is about 404.5359436096.

The spelling of 66202036 in words is "sixty-six million, two hundred two thousand, thirty-six".