1266664504350 has 96 divisors (see below), whose sum is σ = 3599043146496. Its totient is φ = 288801216000.

The previous prime is 1266664504309. The next prime is 1266664504381. The reversal of 1266664504350 is 534054666621.

It is a self number, because there is not a number n which added to its sum of digits gives 1266664504350.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1083124 + ... + 1925223.

It is an arithmetic number, because the mean of its divisors is an integer number (37490032776).

Almost surely, 2^{1266664504350} is an apocalyptic number.

1266664504350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1266664504350 is an abundant number, since it is smaller than the sum of its proper divisors (2332378642146).

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

1266664504350 is a wasteful number, since it uses less digits than its factorization.

1266664504350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3008770 (or 3008765 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 48.

The spelling of 1266664504350 in words is "one trillion, two hundred sixty-six billion, six hundred sixty-four million, five hundred four thousand, three hundred fifty".