66916232 has 16 divisors (see below), whose sum is σ = 126221760. Its totient is φ = 33257104.

The previous prime is 66916231. The next prime is 66916247. The reversal of 66916232 is 23261966.

It is a junction number, because it is equal to n+sod(n) for n = 66916192 and 66916201.

It is not an unprimeable number, because it can be changed into a prime (66916231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23708 + ... + 26379.

It is an arithmetic number, because the mean of its divisors is an integer number (7888860).

Almost surely, 2^66916232 is an apocalyptic number.

It is an amenable number.

66916232 is a deficient number, since it is larger than the sum of its proper divisors (59305528).

66916232 is a wasteful number, since it uses less digits than its factorization.

66916232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50260 (or 50256 counting only the distinct ones).

The product of its digits is 23328, while the sum is 35.

The square root of 66916232 is about 8180.2342264754. The cubic root of 66916232 is about 405.9854719093.

The spelling of 66916232 in words is "sixty-six million, nine hundred sixteen thousand, two hundred thirty-two".