1634323216 has 10 divisors (see below), whose sum is σ = 3166501262. Its totient is φ = 817161600.

The previous prime is 1634323199. The next prime is 1634323253. The reversal of 1634323216 is 6123234361.

It can be written as a sum of positive squares in only one way, i.e., 1335171600 + 299151616 = 36540^2 + 17296^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 51072585 + ... + 51072616.

Almost surely, 2^1634323216 is an apocalyptic number.

1634323216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1634323216 is a deficient number, since it is larger than the sum of its proper divisors (1532178046).

1634323216 is a wasteful number, since it uses less digits than its factorization.

1634323216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102145209 (or 102145203 counting only the distinct ones).

The product of its digits is 15552, while the sum is 31.

The square root of 1634323216 is about 40426.7636102620. The cubic root of 1634323216 is about 1177.9114679090.

Adding to 1634323216 its reverse (6123234361), we get a palindrome (7757557577).

The spelling of 1634323216 in words is "one billion, six hundred thirty-four million, three hundred twenty-three thousand, two hundred sixteen".