66652366 has 12 divisors (see below), whose sum is σ = 109894176. Its totient is φ = 30296420.

The previous prime is 66652351. The next prime is 66652447. The reversal of 66652366 is 66325666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137470 + ... + 137953.

It is an arithmetic number, because the mean of its divisors is an integer number (9157848).

Almost surely, 2^66652366 is an apocalyptic number.

66652366 is a deficient number, since it is larger than the sum of its proper divisors (43241810).

66652366 is a wasteful number, since it uses less digits than its factorization.

66652366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275447 (or 275436 counting only the distinct ones).

The product of its digits is 233280, while the sum is 40.

The square root of 66652366 is about 8164.0900289010. The cubic root of 66652366 is about 405.4511377838.

The spelling of 66652366 in words is "sixty-six million, six hundred fifty-two thousand, three hundred sixty-six".