65855612 has 12 divisors (see below), whose sum is σ = 115308816. Its totient is φ = 32910240.

The previous prime is 65855599. The next prime is 65855617. The reversal of 65855612 is 21655856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65855617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7808 + ... + 13880.

It is an arithmetic number, because the mean of its divisors is an integer number (9609068).

Almost surely, 2^65855612 is an apocalyptic number.

It is an amenable number.

65855612 is a deficient number, since it is larger than the sum of its proper divisors (49453204).

65855612 is a wasteful number, since it uses less digits than its factorization.

65855612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8788 (or 8786 counting only the distinct ones).

The product of its digits is 72000, while the sum is 38.

The square root of 65855612 is about 8115.1470719883. The cubic root of 65855612 is about 403.8290866108.

The spelling of 65855612 in words is "sixty-five million, eight hundred fifty-five thousand, six hundred twelve".