1163340455 has 32 divisors (see below), whose sum is σ = 1500380160. Its totient is φ = 863291520.

The previous prime is 1163340443. The next prime is 1163340457. The reversal of 1163340455 is 5540433611.

It is not a de Polignac number, because 1163340455 - 2⁴ = 1163340439 is a prime.

It is a super-2 number, since 2×1163340455² = 2706722028479214050, which contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 2126492 + ... + 2127038.

It is an arithmetic number, because the mean of its divisors is an integer number (46886880).

Almost surely, 2^1163340455 is an apocalyptic number.

1163340455 is a deficient number, since it is larger than the sum of its proper divisors (337039705).

1163340455 is a wasteful number, since it uses less digits than its factorization.

1163340455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 1163340455 is about 34107.7770457120. Note that the first 3 decimals coincide. The cubic root of 1163340455 is about 1051.7251926087.

The spelling of 1163340455 in words is "one billion, one hundred sixty-three million, three hundred forty thousand, four hundred fifty-five".