64266323523455 has 16 divisors (see below), whose sum is σ = 77474977542144. Its totient is φ = 51176189525280.

The previous prime is 64266323523421. The next prime is 64266323523511. The reversal of 64266323523455 is 55432532366246.

It is not a de Polignac number, because 64266323523455 - 2⁴² = 59868277012351 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64266323523455.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5490692 + ... + 12596838.

It is an arithmetic number, because the mean of its divisors is an integer number (4842186096384).

Almost surely, 2^{64266323523455} is an apocalyptic number.

64266323523455 is a deficient number, since it is larger than the sum of its proper divisors (13208654018689).

64266323523455 is a wasteful number, since it uses less digits than its factorization.

64266323523455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7114486.

The product of its digits is 93312000, while the sum is 56.

The spelling of 64266323523455 in words is "sixty-four trillion, two hundred sixty-six billion, three hundred twenty-three million, five hundred twenty-three thousand, four hundred fifty-five".