66023056 has 40 divisors (see below), whose sum is σ = 144062208. Its totient is φ = 29040000.

The previous prime is 66023047. The next prime is 66023057. The reversal of 66023056 is 65032066.

It is not an unprimeable number, because it can be changed into a prime (66023057) 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, 595 + ... + 11506.

Almost surely, 2^66023056 is an apocalyptic number.

It is an amenable number.

66023056 is an abundant number, since it is smaller than the sum of its proper divisors (78039152).

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

66023056 is a wasteful number, since it uses less digits than its factorization.

66023056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12151 (or 12145 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 66023056 is about 8125.4572794397. The cubic root of 66023056 is about 404.1710545785.

It can be divided in two parts, 660 and 23056, that added together give a square (23716 = 154²).

The spelling of 66023056 in words is "sixty-six million, twenty-three thousand, fifty-six".