1116665546 has 4 divisors (see below), whose sum is σ = 1674998322. Its totient is φ = 558332772.

The previous prime is 1116665531. The next prime is 1116665569. The reversal of 1116665546 is 6455666111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6455666111 = 41 ⋅157455271.

It can be written as a sum of positive squares in only one way, i.e., 1021505521 + 95160025 = 31961^2 + 9755^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 279166385 + ... + 279166388.

Almost surely, 2^1116665546 is an apocalyptic number.

1116665546 is a deficient number, since it is larger than the sum of its proper divisors (558332776).

1116665546 is an equidigital number, since it uses as much as digits as its factorization.

1116665546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558332775.

The product of its digits is 129600, while the sum is 41.

The square root of 1116665546 is about 33416.5459914696. The cubic root of 1116665546 is about 1037.4671927692.

The spelling of 1116665546 in words is "one billion, one hundred sixteen million, six hundred sixty-five thousand, five hundred forty-six".