111602066 has 8 divisors (see below), whose sum is σ = 168328524. Its totient is φ = 55492560.

The previous prime is 111602011. The next prime is 111602081. The reversal of 111602066 is 660206111.

It can be written as a sum of positive squares in 2 ways, for example, as 64336441 + 47265625 = 8021^2 + 6875^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×111602066² = 24910042270936712, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153785 + ... + 154508.

Almost surely, 2^111602066 is an apocalyptic number.

111602066 is a deficient number, since it is larger than the sum of its proper divisors (56726458).

111602066 is a wasteful number, since it uses less digits than its factorization.

111602066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308476.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 111602066 is about 10564.1879006386. The cubic root of 111602066 is about 481.4568958940.

Adding to 111602066 its reverse (660206111), we get a palindrome (771808177).

The spelling of 111602066 in words is "one hundred eleven million, six hundred two thousand, sixty-six".