320221266146255 has 32 divisors (see below), whose sum is σ = 399161077761600. Its totient is φ = 246424228024320.

The previous prime is 320221266146233. The next prime is 320221266146261. The reversal of 320221266146255 is 552641662122023.

It is not a de Polignac number, because 320221266146255 - 2³⁴ = 320204086277071 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42119264 + ... + 49137306.

It is an arithmetic number, because the mean of its divisors is an integer number (12473783680050).

Almost surely, 2^{320221266146255} is an apocalyptic number.

320221266146255 is a deficient number, since it is larger than the sum of its proper divisors (78939811615345).

320221266146255 is a wasteful number, since it uses less digits than its factorization.

320221266146255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7021211.

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 320221266146255 in words is "three hundred twenty trillion, two hundred twenty-one billion, two hundred sixty-six million, one hundred forty-six thousand, two hundred fifty-five".