1266060216 has 32 divisors (see below), whose sum is σ = 3166248960. Its totient is φ = 421873632.

The previous prime is 1266060209. The next prime is 1266060217. The reversal of 1266060216 is 6120606621.

It is a super-3 number, since 3×1266060216³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1266060217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78631 + ... + 93353.

It is an arithmetic number, because the mean of its divisors is an integer number (98945280).

Almost surely, 2^1266060216 is an apocalyptic number.

It is an amenable number.

1266060216 is an abundant number, since it is smaller than the sum of its proper divisors (1900188744).

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

1266060216 is a wasteful number, since it uses less digits than its factorization.

1266060216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18315 (or 18311 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1266060216 is about 35581.7399237305. The cubic root of 1266060216 is about 1081.8111516869.

Adding to 1266060216 its reverse (6120606621), we get a palindrome (7386666837).

The spelling of 1266060216 in words is "one billion, two hundred sixty-six million, sixty thousand, two hundred sixteen".