1116743638 has 16 divisors (see below), whose sum is σ = 1683115200. Its totient is φ = 555712456.

The previous prime is 1116743611. The next prime is 1116743647. The reversal of 1116743638 is 8363476111.

It is a self number, because there is not a number n which added to its sum of digits gives 1116743638.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 412413 + ... + 415111.

It is an arithmetic number, because the mean of its divisors is an integer number (105194700).

Almost surely, 2^1116743638 is an apocalyptic number.

1116743638 is a deficient number, since it is larger than the sum of its proper divisors (566371562).

1116743638 is a wasteful number, since it uses less digits than its factorization.

1116743638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3611.

The product of its digits is 72576, while the sum is 40.

The square root of 1116743638 is about 33417.7144341141. The cubic root of 1116743638 is about 1037.4913766739.

The spelling of 1116743638 in words is "one billion, one hundred sixteen million, seven hundred forty-three thousand, six hundred thirty-eight".