663122464455 has 64 divisors (see below), whose sum is σ = 1173138080256. Its totient is φ = 317179200000.

The previous prime is 663122464439. The next prime is 663122464457. The reversal of 663122464455 is 554464221366.

It is not a de Polignac number, because 663122464455 - 2⁴ = 663122464439 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663122464457) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4544380 + ... + 4688030.

It is an arithmetic number, because the mean of its divisors is an integer number (18330282504).

Almost surely, 2^663122464455 is an apocalyptic number.

663122464455 is a deficient number, since it is larger than the sum of its proper divisors (510015615801).

663122464455 is a wasteful number, since it uses less digits than its factorization.

663122464455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144048.

The product of its digits is 4147200, while the sum is 48.

The spelling of 663122464455 in words is "six hundred sixty-three billion, one hundred twenty-two million, four hundred sixty-four thousand, four hundred fifty-five".