66367328 has 24 divisors (see below), whose sum is σ = 136343088. Its totient is φ = 31740544.

The previous prime is 66367291. The next prime is 66367333. The reversal of 66367328 is 82376366.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44351 + ... + 45822.

It is an arithmetic number, because the mean of its divisors is an integer number (5680962).

Almost surely, 2^66367328 is an apocalyptic number.

It is an amenable number.

66367328 is an abundant number, since it is smaller than the sum of its proper divisors (69975760).

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

66367328 is a wasteful number, since it uses less digits than its factorization.

66367328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90206 (or 90198 counting only the distinct ones).

The product of its digits is 217728, while the sum is 41.

The square root of 66367328 is about 8146.6145115625. The cubic root of 66367328 is about 404.8723430414.

The spelling of 66367328 in words is "sixty-six million, three hundred sixty-seven thousand, three hundred twenty-eight".