66475368 has 48 divisors (see below), whose sum is σ = 180442080. Its totient is φ = 22108704.

The previous prime is 66475259. The next prime is 66475369. The reversal of 66475368 is 86357466.

It is not an unprimeable number, because it can be changed into a prime (66475369) 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, 45871 + ... + 47297.

It is an arithmetic number, because the mean of its divisors is an integer number (3759210).

Almost surely, 2^66475368 is an apocalyptic number.

It is an amenable number.

66475368 is an abundant number, since it is smaller than the sum of its proper divisors (113966712).

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

66475368 is a wasteful number, since it uses less digits than its factorization.

66475368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086 (or 2079 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 66475368 is about 8153.2427904485. The cubic root of 66475368 is about 405.0919224362.

The spelling of 66475368 in words is "sixty-six million, four hundred seventy-five thousand, three hundred sixty-eight".