1632516338 has 4 divisors (see below), whose sum is σ = 2448774510. Its totient is φ = 816258168.

The previous prime is 1632516329. The next prime is 1632516359. The reversal of 1632516338 is 8336152361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8336152361 = 23 ⋅362441407.

It can be written as a sum of positive squares in only one way, i.e., 1351518169 + 280998169 = 36763^2 + 16763^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 408129083 + ... + 408129086.

Almost surely, 2^1632516338 is an apocalyptic number.

1632516338 is a deficient number, since it is larger than the sum of its proper divisors (816258172).

1632516338 is an equidigital number, since it uses as much as digits as its factorization.

1632516338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816258171.

The product of its digits is 77760, while the sum is 38.

The square root of 1632516338 is about 40404.4098830808. The cubic root of 1632516338 is about 1177.4772153428.

Adding to 1632516338 its reverse (8336152361), we get a palindrome (9968668699).

The spelling of 1632516338 in words is "one billion, six hundred thirty-two million, five hundred sixteen thousand, three hundred thirty-eight".