666653036 has 36 divisors (see below), whose sum is σ = 1380141000. Its totient is φ = 280861056.

The previous prime is 666653033. The next prime is 666653051. The reversal of 666653036 is 630356666.

It is a junction number, because it is equal to n+sod(n) for n = 666652984 and 666653002.

It is not an unprimeable number, because it can be changed into a prime (666653033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17261 + ... + 40388.

It is an arithmetic number, because the mean of its divisors is an integer number (38337250).

Almost surely, 2^666653036 is an apocalyptic number.

It is an amenable number.

666653036 is an abundant number, since it is smaller than the sum of its proper divisors (713487964).

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

666653036 is a wasteful number, since it uses less digits than its factorization.

666653036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57726 (or 57717 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 41.

The square root of 666653036 is about 25819.6250166419. The cubic root of 666653036 is about 873.5745109537.

The spelling of 666653036 in words is "six hundred sixty-six million, six hundred fifty-three thousand, thirty-six".