66573368 has 32 divisors (see below), whose sum is σ = 129400320. Its totient is φ = 32076000.

The previous prime is 66573361. The next prime is 66573373. The reversal of 66573368 is 86337566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66573361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81683 + ... + 82493.

It is an arithmetic number, because the mean of its divisors is an integer number (4043760).

Almost surely, 2^66573368 is an apocalyptic number.

It is an amenable number.

66573368 is a deficient number, since it is larger than the sum of its proper divisors (62826952).

66573368 is a wasteful number, since it uses less digits than its factorization.

66573368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179 (or 1175 counting only the distinct ones).

The product of its digits is 544320, while the sum is 44.

The square root of 66573368 is about 8159.2504557710. The cubic root of 66573368 is about 405.2908909517.

The spelling of 66573368 in words is "sixty-six million, five hundred seventy-three thousand, three hundred sixty-eight".