1165103648 has 12 divisors (see below), whose sum is σ = 2293797870. Its totient is φ = 582551808.

The previous prime is 1165103603. The next prime is 1165103671. The reversal of 1165103648 is 8463015611.

It can be written as a sum of positive squares in only one way, i.e., 1164993424 + 110224 = 34132^2 + 332^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18204713 + ... + 18204776.

Almost surely, 2^1165103648 is an apocalyptic number.

It is an amenable number.

1165103648 is a deficient number, since it is larger than the sum of its proper divisors (1128694222).

1165103648 is an equidigital number, since it uses as much as digits as its factorization.

1165103648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36409499 (or 36409491 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 1165103648 is about 34133.6146342575. The cubic root of 1165103648 is about 1052.2562662709.

The spelling of 1165103648 in words is "one billion, one hundred sixty-five million, one hundred three thousand, six hundred forty-eight".