1266645050 has 96 divisors (see below), whose sum is σ = 2681881920. Its totient is φ = 440985600.

The previous prime is 1266645047. The next prime is 1266645077. The reversal of 1266645050 is 505466621.

It is a self number, because there is not a number n which added to its sum of digits gives 1266645050.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1362986 + ... + 1363914.

It is an arithmetic number, because the mean of its divisors is an integer number (27936270).

Almost surely, 2^1266645050 is an apocalyptic number.

1266645050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1266645050 is an abundant number, since it is smaller than the sum of its proper divisors (1415236870).

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

1266645050 is a wasteful number, since it uses less digits than its factorization.

1266645050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056 (or 1051 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 1266645050 is about 35589.9571508593. The cubic root of 1266645050 is about 1081.9777005186.

The spelling of 1266645050 in words is "one billion, two hundred sixty-six million, six hundred forty-five thousand, fifty".