1116535688 has 8 divisors (see below), whose sum is σ = 2093504430. Its totient is φ = 558267840.

The previous prime is 1116535681. The next prime is 1116535727. The reversal of 1116535688 is 8865356111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 954686404 + 161849284 = 30898^2 + 12722^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1116535681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69783473 + ... + 69783488.

Almost surely, 2^1116535688 is an apocalyptic number.

It is an amenable number.

1116535688 is a deficient number, since it is larger than the sum of its proper divisors (976968742).

1116535688 is a wasteful number, since it uses less digits than its factorization.

1116535688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139566967 (or 139566963 counting only the distinct ones).

The product of its digits is 172800, while the sum is 44.

The square root of 1116535688 is about 33414.6029154919. The cubic root of 1116535688 is about 1037.4269752251.

The spelling of 1116535688 in words is "one billion, one hundred sixteen million, five hundred thirty-five thousand, six hundred eighty-eight".