1103603164 has 12 divisors (see below), whose sum is σ = 1950428088. Its totient is φ = 546338000.

The previous prime is 1103603159. The next prime is 1103603177. The reversal of 1103603164 is 4613063011.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1365442 + ... + 1366249.

It is an arithmetic number, because the mean of its divisors is an integer number (162535674).

Almost surely, 2^1103603164 is an apocalyptic number.

It is an amenable number.

1103603164 is a deficient number, since it is larger than the sum of its proper divisors (846824924).

1103603164 is a wasteful number, since it uses less digits than its factorization.

1103603164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2731796 (or 2731794 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1103603164 is about 33220.5232348920. The cubic root of 1103603164 is about 1033.4060005320.

Adding to 1103603164 its reverse (4613063011), we get a palindrome (5716666175).

The spelling of 1103603164 in words is "one billion, one hundred three million, six hundred three thousand, one hundred sixty-four".