16522225263 has 16 divisors (see below), whose sum is σ = 24480249600. Its totient is φ = 11013521400.

The previous prime is 16522225261. The next prime is 16522225277. The reversal of 16522225263 is 36252222561.

16522225263 is a `hidden beast` number, since 1 + 6 + 522 + 22 + 52 + 63 = 666.

It is not a de Polignac number, because 16522225263 - 2¹ = 16522225261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16522225261) 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, 234918 + ... + 297036.

It is an arithmetic number, because the mean of its divisors is an integer number (1530015600).

Almost surely, 2^16522225263 is an apocalyptic number.

16522225263 is a deficient number, since it is larger than the sum of its proper divisors (7958024337).

16522225263 is an equidigital number, since it uses as much as digits as its factorization.

16522225263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71979 (or 71973 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The spelling of 16522225263 in words is "sixteen billion, five hundred twenty-two million, two hundred twenty-five thousand, two hundred sixty-three".