1226562164863 has 16 divisors (see below), whose sum is σ = 1412756640000. Its totient is φ = 1043136686592.

The previous prime is 1226562164797. The next prime is 1226562164869. The reversal of 1226562164863 is 3684612656221.

It is not a de Polignac number, because 1226562164863 - 2⁹ = 1226562164351 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 1226562164863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226562164869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 527493 + ... + 1652686.

It is an arithmetic number, because the mean of its divisors is an integer number (88297290000).

Almost surely, 2^{1226562164863} is an apocalyptic number.

1226562164863 is a deficient number, since it is larger than the sum of its proper divisors (186194475137).

1226562164863 is a wasteful number, since it uses less digits than its factorization.

1226562164863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180814.

The product of its digits is 4976640, while the sum is 52.

The spelling of 1226562164863 in words is "one trillion, two hundred twenty-six billion, five hundred sixty-two million, one hundred sixty-four thousand, eight hundred sixty-three".