632166464 has 28 divisors (see below), whose sum is σ = 1256646204. Its totient is φ = 315531264.

The previous prime is 632166419. The next prime is 632166467. The reversal of 632166464 is 464661236.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 551310400 + 80856064 = 23480^2 + 8992^2 .

It is not an unprimeable number, because it can be changed into a prime (632166467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29624 + ... + 46280.

Almost surely, 2^632166464 is an apocalyptic number.

632166464 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

632166464 is a deficient number, since it is larger than the sum of its proper divisors (624479740).

632166464 is a wasteful number, since it uses less digits than its factorization.

632166464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17262 (or 17252 counting only the distinct ones).

The product of its digits is 124416, while the sum is 38.

The square root of 632166464 is about 25142.9207531663. The cubic root of 632166464 is about 858.2434237764.

The spelling of 632166464 in words is "six hundred thirty-two million, one hundred sixty-six thousand, four hundred sixty-four".