66083928 has 16 divisors (see below), whose sum is σ = 165209880. Its totient is φ = 22027968.

The previous prime is 66083921. The next prime is 66083959. The reversal of 66083928 is 82938066.

66083928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 66083928.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66083921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1376725 + ... + 1376772.

Almost surely, 2^66083928 is an apocalyptic number.

It is an amenable number.

66083928 is an abundant number, since it is smaller than the sum of its proper divisors (99125952).

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

66083928 is a wasteful number, since it uses less digits than its factorization.

66083928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2753506 (or 2753502 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 66083928 is about 8129.2021748755. The cubic root of 66083928 is about 404.2952290954.

The spelling of 66083928 in words is "sixty-six million, eighty-three thousand, nine hundred twenty-eight".