66464322 has 32 divisors (see below), whose sum is σ = 141098112. Its totient is φ = 20799744.

The previous prime is 66464309. The next prime is 66464323. The reversal of 66464322 is 22346466.

66464322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (66464323) 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, 75348 + ... + 76224.

It is an arithmetic number, because the mean of its divisors is an integer number (4409316).

Almost surely, 2^66464322 is an apocalyptic number.

66464322 is an abundant number, since it is smaller than the sum of its proper divisors (74633790).

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

66464322 is a wasteful number, since it uses less digits than its factorization.

66464322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642.

The product of its digits is 41472, while the sum is 33.

The square root of 66464322 is about 8152.5653631234. The cubic root of 66464322 is about 405.0694835821.

The spelling of 66464322 in words is "sixty-six million, four hundred sixty-four thousand, three hundred twenty-two".