66462916 has 48 divisors (see below), whose sum is σ = 132991488. Its totient is φ = 28828800.

The previous prime is 66462883. The next prime is 66462917. The reversal of 66462916 is 61926466.

66462916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (66462917) 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 15 ways as a sum of consecutive naturals, for example, 72501 + ... + 73411.

It is an arithmetic number, because the mean of its divisors is an integer number (2770656).

Almost surely, 2^66462916 is an apocalyptic number.

It is an amenable number.

66462916 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

66462916 is a wasteful number, since it uses less digits than its factorization.

66462916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012 (or 1010 counting only the distinct ones).

The product of its digits is 93312, while the sum is 40.

The square root of 66462916 is about 8152.4791321413. The cubic root of 66462916 is about 405.0666272542.

The spelling of 66462916 in words is "sixty-six million, four hundred sixty-two thousand, nine hundred sixteen".