1133618643 has 12 divisors (see below), whose sum is σ = 1668345120. Its totient is φ = 741486096.

The previous prime is 1133618623. The next prime is 1133618699. The reversal of 1133618643 is 3468163311.

1133618643 is a `hidden beast` number, since 1 + 1 + 3 + 3 + 6 + 1 + 8 + 643 = 666.

It is not a de Polignac number, because 1133618643 - 2¹⁶ = 1133553107 is a prime.

It is a super-2 number, since 2×1133618643² = 2570182455514322898, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1133618598 and 1133618607.

It is not an unprimeable number, because it can be changed into a prime (1133618623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1187803 + ... + 1188756.

It is an arithmetic number, because the mean of its divisors is an integer number (139028760).

Almost surely, 2^1133618643 is an apocalyptic number.

1133618643 is a deficient number, since it is larger than the sum of its proper divisors (534726477).

1133618643 is a wasteful number, since it uses less digits than its factorization.

1133618643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2376618 (or 2376615 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 1133618643 is about 33669.2536745322. The cubic root of 1133618643 is about 1042.6910837906.

The spelling of 1133618643 in words is "one billion, one hundred thirty-three million, six hundred eighteen thousand, six hundred forty-three".