26345222163 has 32 divisors (see below), whose sum is σ = 42055372800. Its totient is φ = 16203531168.

The previous prime is 26345222161. The next prime is 26345222171. The reversal of 26345222163 is 36122254362.

26345222163 is a `hidden beast` number, since 2 + 634 + 5 + 2 + 2 + 2 + 16 + 3 = 666.

It is not a de Polignac number, because 26345222163 - 2¹ = 26345222161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26345222161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 649678 + ... + 689036.

It is an arithmetic number, because the mean of its divisors is an integer number (1314230400).

Almost surely, 2^26345222163 is an apocalyptic number.

26345222163 is a deficient number, since it is larger than the sum of its proper divisors (15710150637).

26345222163 is a wasteful number, since it uses less digits than its factorization.

26345222163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41288 (or 41282 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The spelling of 26345222163 in words is "twenty-six billion, three hundred forty-five million, two hundred twenty-two thousand, one hundred sixty-three".