1266016548 has 12 divisors (see below), whose sum is σ = 2954038640. Its totient is φ = 422005512.

The previous prime is 1266016541. The next prime is 1266016561. The reversal of 1266016548 is 8456106621.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1266016541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52750678 + ... + 52750701.

Almost surely, 2^1266016548 is an apocalyptic number.

It is an amenable number.

1266016548 is an abundant number, since it is smaller than the sum of its proper divisors (1688022092).

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

1266016548 is a wasteful number, since it uses less digits than its factorization.

1266016548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105501386 (or 105501384 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 1266016548 is about 35581.1262890876. The cubic root of 1266016548 is about 1081.7987138708.

The spelling of 1266016548 in words is "one billion, two hundred sixty-six million, sixteen thousand, five hundred forty-eight".