1116665542 has 16 divisors (see below), whose sum is σ = 1692749520. Its totient is φ = 552430368.

The previous prime is 1116665531. The next prime is 1116665569. The reversal of 1116665542 is 2455666111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170533 + ... + 176959.

It is an arithmetic number, because the mean of its divisors is an integer number (105796845).

Almost surely, 2^1116665542 is an apocalyptic number.

1116665542 is a deficient number, since it is larger than the sum of its proper divisors (576083978).

1116665542 is a wasteful number, since it uses less digits than its factorization.

1116665542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7335.

The product of its digits is 43200, while the sum is 37.

The square root of 1116665542 is about 33416.5459316190. The cubic root of 1116665542 is about 1037.4671915304.

The spelling of 1116665542 in words is "one billion, one hundred sixteen million, six hundred sixty-five thousand, five hundred forty-two".