1163340451 has 16 divisors (see below), whose sum is σ = 1433824000. Its totient is φ = 919146528.

The previous prime is 1163340443. The next prime is 1163340457. The reversal of 1163340451 is 1540433611.

It is a cyclic number.

It is not a de Polignac number, because 1163340451 - 2³ = 1163340443 is a prime.

It is a super-3 number, since 3×1163340451³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 58600 + ... + 75898.

It is an arithmetic number, because the mean of its divisors is an integer number (89614000).

Almost surely, 2^1163340451 is an apocalyptic number.

1163340451 is a deficient number, since it is larger than the sum of its proper divisors (270483549).

1163340451 is a wasteful number, since it uses less digits than its factorization.

1163340451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18058.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 1163340451 is about 34107.7769870744. The cubic root of 1163340451 is about 1051.7251914033.

The spelling of 1163340451 in words is "one billion, one hundred sixty-three million, three hundred forty thousand, four hundred fifty-one".