1136165643 has 32 divisors (see below), whose sum is σ = 1711825920. Its totient is φ = 744629760.

The previous prime is 1136165579. The next prime is 1136165663. The reversal of 1136165643 is 3465616311.

1136165643 is a `hidden beast` number, since 1 + 1 + 3 + 6 + 1 + 6 + 5 + 643 = 666.

It is not a de Polignac number, because 1136165643 - 2⁶ = 1136165579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1136165598 and 1136165607.

It is not an unprimeable number, because it can be changed into a prime (1136165663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 932971 + ... + 934187.

It is an arithmetic number, because the mean of its divisors is an integer number (53494560).

Almost surely, 2^1136165643 is an apocalyptic number.

1136165643 is a deficient number, since it is larger than the sum of its proper divisors (575660277).

1136165643 is a wasteful number, since it uses less digits than its factorization.

1136165643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784 (or 1778 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 1136165643 is about 33707.0562790642. The cubic root of 1136165643 is about 1043.4714013836.

The spelling of 1136165643 in words is "one billion, one hundred thirty-six million, one hundred sixty-five thousand, six hundred forty-three".