2646266455 has 16 divisors (see below), whose sum is σ = 3727252800. Its totient is φ = 1765539072.

The previous prime is 2646266453. The next prime is 2646266471. The reversal of 2646266455 is 5546626462.

It is a cyclic number.

It is not a de Polignac number, because 2646266455 - 2¹ = 2646266453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2646266453) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1020430 + ... + 1023019.

It is an arithmetic number, because the mean of its divisors is an integer number (232953300).

Almost surely, 2^2646266455 is an apocalyptic number.

2646266455 is a deficient number, since it is larger than the sum of its proper divisors (1080986345).

2646266455 is a wasteful number, since it uses less digits than its factorization.

2646266455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043498.

The product of its digits is 2073600, while the sum is 46.

The square root of 2646266455 is about 51441.8745284423. The cubic root of 2646266455 is about 1383.1773136405.

The spelling of 2646266455 in words is "two billion, six hundred forty-six million, two hundred sixty-six thousand, four hundred fifty-five".