111516066 has 12 divisors (see below), whose sum is σ = 241618182. Its totient is φ = 37172016.

The previous prime is 111516059. The next prime is 111516089. The reversal of 111516066 is 660615111.

111516066 is a `hidden beast` number, since 1 + 1 + 1 + 51 + 606 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 88906041 + 22610025 = 9429^2 + 4755^2 .

It is a super-2 number, since 2×111516066² = 24871665952232712, which contains 22 as substring.

It is a Curzon 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 5 ways as a sum of consecutive naturals, for example, 3097651 + ... + 3097686.

Almost surely, 2^111516066 is an apocalyptic number.

111516066 is an abundant number, since it is smaller than the sum of its proper divisors (130102116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111516066 is a wasteful number, since it uses less digits than its factorization.

111516066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6195345 (or 6195342 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 111516066 is about 10560.1167607181. The cubic root of 111516066 is about 481.3331946799. Note that the first 3 decimals are identical.

The spelling of 111516066 in words is "one hundred eleven million, five hundred sixteen thousand, sixty-six".