65966480 has 40 divisors (see below), whose sum is σ = 161448000. Its totient is φ = 24997248.

The previous prime is 65966479. The next prime is 65966489. The reversal of 65966480 is 8466956.

65966480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (65966489) 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 7 ways as a sum of consecutive naturals, for example, 20180 + ... + 23219.

It is an arithmetic number, because the mean of its divisors is an integer number (4036200).

Almost surely, 2^65966480 is an apocalyptic number.

It is an amenable number.

65966480 is an abundant number, since it is smaller than the sum of its proper divisors (95481520).

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

65966480 is a wasteful number, since it uses less digits than its factorization.

65966480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43431 (or 43425 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 65966480 is about 8121.9751292404. The cubic root of 65966480 is about 404.0555751406.

The spelling of 65966480 in words is "sixty-five million, nine hundred sixty-six thousand, four hundred eighty".