1163610543 has 16 divisors (see below), whose sum is σ = 1648048896. Its totient is φ = 727751040.

The previous prime is 1163610533. The next prime is 1163610557. The reversal of 1163610543 is 3450163611.

It is not a de Polignac number, because 1163610543 - 2⁴ = 1163610527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1163610543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163610533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20821 + ... + 52542.

It is an arithmetic number, because the mean of its divisors is an integer number (103003056).

Almost surely, 2^1163610543 is an apocalyptic number.

1163610543 is a deficient number, since it is larger than the sum of its proper divisors (484438353).

1163610543 is a wasteful number, since it uses less digits than its factorization.

1163610543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73694.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 1163610543 is about 34111.7361475490. The cubic root of 1163610543 is about 1051.8065778909.

The spelling of 1163610543 in words is "one billion, one hundred sixty-three million, six hundred ten thousand, five hundred forty-three".