66322412 has 24 divisors (see below), whose sum is σ = 126109536. Its totient is φ = 30336768.

The previous prime is 66322411. The next prime is 66322427. The reversal of 66322412 is 21422366.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (66322411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233 + ... + 11519.

It is an arithmetic number, because the mean of its divisors is an integer number (5254564).

Almost surely, 2^66322412 is an apocalyptic number.

It is an amenable number.

66322412 is a deficient number, since it is larger than the sum of its proper divisors (59787124).

66322412 is a wasteful number, since it uses less digits than its factorization.

66322412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11417 (or 11415 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 66322412 is about 8143.8573170212. The cubic root of 66322412 is about 404.7809860905.

Adding to 66322412 its reverse (21422366), we get a palindrome (87744778).

The spelling of 66322412 in words is "sixty-six million, three hundred twenty-two thousand, four hundred twelve".