66064036 has 6 divisors (see below), whose sum is σ = 115612070. Its totient is φ = 33032016.

The previous prime is 66063983. The next prime is 66064043. The reversal of 66064036 is 63046066.

It can be written as a sum of positive squares in only one way, i.e., 51926436 + 14137600 = 7206^2 + 3760^2 .

It is a junction number, because it is equal to n+sod(n) for n = 66063989 and 66064007.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8258001 + ... + 8258008.

Almost surely, 2^66064036 is an apocalyptic number.

It is an amenable number.

66064036 is a deficient number, since it is larger than the sum of its proper divisors (49548034).

66064036 is a wasteful number, since it uses less digits than its factorization.

66064036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16516013 (or 16516011 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 66064036 is about 8127.9785924915. The cubic root of 66064036 is about 404.2546592321.

The spelling of 66064036 in words is "sixty-six million, sixty-four thousand, thirty-six", and thus it is an eban number.