266210116 has 12 divisors (see below), whose sum is σ = 478458988. Its totient is φ = 129507552.

The previous prime is 266210107. The next prime is 266210129. The reversal of 266210116 is 611012662.

It can be written as a sum of positive squares in 2 ways, for example, as 206209600 + 60000516 = 14360^2 + 7746^2 .

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, 899211 + ... + 899506.

Almost surely, 2^266210116 is an apocalyptic number.

It is an amenable number.

266210116 is a deficient number, since it is larger than the sum of its proper divisors (212248872).

266210116 is a wasteful number, since it uses less digits than its factorization.

266210116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1798758 (or 1798756 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 266210116 is about 16315.9466780202. The cubic root of 266210116 is about 643.2920508886.

Adding to 266210116 its reverse (611012662), we get a palindrome (877222778).

The spelling of 266210116 in words is "two hundred sixty-six million, two hundred ten thousand, one hundred sixteen".