1266970466185 has 16 divisors (see below), whose sum is σ = 1655569396800. Its totient is φ = 927118858176.

The previous prime is 1266970466107. The next prime is 1266970466191. The reversal of 1266970466185 is 5816640796621.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1266970466185 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229937439 + ... + 229942948.

It is an arithmetic number, because the mean of its divisors is an integer number (103473087300).

Almost surely, 2^{1266970466185} is an apocalyptic number.

It is an amenable number.

1266970466185 is a deficient number, since it is larger than the sum of its proper divisors (388598930615).

1266970466185 is a wasteful number, since it uses less digits than its factorization.

1266970466185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459880440.

The product of its (nonzero) digits is 26127360, while the sum is 61.

The spelling of 1266970466185 in words is "one trillion, two hundred sixty-six billion, nine hundred seventy million, four hundred sixty-six thousand, one hundred eighty-five".