221626423034463 has 16 divisors (see below), whose sum is σ = 308603174858496. Its totient is φ = 141210866987520.

The previous prime is 221626423034437. The next prime is 221626423034473. The reversal of 221626423034463 is 364430324626122.

It is not a de Polignac number, because 221626423034463 - 2¹⁶ = 221626422968927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221626423034473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1319545093 + ... + 1319713038.

It is an arithmetic number, because the mean of its divisors is an integer number (19287698428656).

Almost surely, 2^{221626423034463} is an apocalyptic number.

221626423034463 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

221626423034463 is a deficient number, since it is larger than the sum of its proper divisors (86976751824033).

221626423034463 is a wasteful number, since it uses less digits than its factorization.

221626423034463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2639259374.

The product of its (nonzero) digits is 5971968, while the sum is 48.

The spelling of 221626423034463 in words is "two hundred twenty-one trillion, six hundred twenty-six billion, four hundred twenty-three million, thirty-four thousand, four hundred sixty-three".