1163253658 has 32 divisors (see below), whose sum is σ = 2083645440. Its totient is φ = 476221680.

The previous prime is 1163253649. The next prime is 1163253659. The reversal of 1163253658 is 8563523611.

It is a self number, because there is not a number n which added to its sum of digits gives 1163253658.

It is not an unprimeable number, because it can be changed into a prime (1163253659) 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, 293953 + ... + 297883.

It is an arithmetic number, because the mean of its divisors is an integer number (65113920).

Almost surely, 2^1163253658 is an apocalyptic number.

1163253658 is a deficient number, since it is larger than the sum of its proper divisors (920391782).

1163253658 is a wasteful number, since it uses less digits than its factorization.

1163253658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4882.

The product of its digits is 129600, while the sum is 40.

The square root of 1163253658 is about 34106.5046288827. The cubic root of 1163253658 is about 1051.6990355018.

The spelling of 1163253658 in words is "one billion, one hundred sixty-three million, two hundred fifty-three thousand, six hundred fifty-eight".