1163340453 has 16 divisors (see below), whose sum is σ = 1692767232. Its totient is φ = 704790000.

The previous prime is 1163340443. The next prime is 1163340457. The reversal of 1163340453 is 3540433611.

It is not a de Polignac number, because 1163340453 - 2⁹ = 1163339941 is a prime.

It is a super-2 number, since 2×1163340453² = 2706722019172490418, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1163340453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163340457) 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, 117028 + ... + 126578.

It is an arithmetic number, because the mean of its divisors is an integer number (105797952).

Almost surely, 2^1163340453 is an apocalyptic number.

It is an amenable number.

1163340453 is a deficient number, since it is larger than the sum of its proper divisors (529426779).

1163340453 is a wasteful number, since it uses less digits than its factorization.

1163340453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13256.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 1163340453 is about 34107.7770163932. Note that the first 3 decimals coincide. The cubic root of 1163340453 is about 1051.7251920060.

The spelling of 1163340453 in words is "one billion, one hundred sixty-three million, three hundred forty thousand, four hundred fifty-three".