1632261603 has 16 divisors (see below), whose sum is σ = 2496510720. Its totient is φ = 929250336.

The previous prime is 1632261563. The next prime is 1632261641. The reversal of 1632261603 is 3061622361.

It is not a de Polignac number, because 1632261603 - 2⁸ = 1632261347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1632261643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138825 + ... + 150122.

It is an arithmetic number, because the mean of its divisors is an integer number (156031920).

Almost surely, 2^1632261603 is an apocalyptic number.

1632261603 is a deficient number, since it is larger than the sum of its proper divisors (864249117).

1632261603 is a wasteful number, since it uses less digits than its factorization.

1632261603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289226.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 1632261603 is about 40401.2574433024. The cubic root of 1632261603 is about 1177.4159683272.

Adding to 1632261603 its reverse (3061622361), we get a palindrome (4693883964).

The spelling of 1632261603 in words is "one billion, six hundred thirty-two million, two hundred sixty-one thousand, six hundred three".