1266413041246 has 16 divisors (see below), whose sum is σ = 1921013273520. Its totient is φ = 626075651520.

The previous prime is 1266413041219. The next prime is 1266413041249. The reversal of 1266413041246 is 6421403146621.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1266413041199 and 1266413041208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1266413041249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9777460 + ... + 9906136.

It is an arithmetic number, because the mean of its divisors is an integer number (120063329595).

Almost surely, 2^{1266413041246} is an apocalyptic number.

1266413041246 is a deficient number, since it is larger than the sum of its proper divisors (654600232274).

1266413041246 is a wasteful number, since it uses less digits than its factorization.

1266413041246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184059.

The product of its (nonzero) digits is 165888, while the sum is 40.

Adding to 1266413041246 its reverse (6421403146621), we get a palindrome (7687816187867).

The spelling of 1266413041246 in words is "one trillion, two hundred sixty-six billion, four hundred thirteen million, forty-one thousand, two hundred forty-six".