26122562216 has 8 divisors (see below), whose sum is σ = 48979804170. Its totient is φ = 13061281104.

The previous prime is 26122562209. The next prime is 26122562237. The reversal of 26122562216 is 61226522162.

It can be written as a sum of positive squares in only one way, i.e., 21212757316 + 4909804900 = 145646^2 + 70070^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1632660131 + ... + 1632660146.

Almost surely, 2^26122562216 is an apocalyptic number.

It is an amenable number.

26122562216 is a deficient number, since it is larger than the sum of its proper divisors (22857241954).

26122562216 is a wasteful number, since it uses less digits than its factorization.

26122562216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3265320283 (or 3265320279 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The spelling of 26122562216 in words is "twenty-six billion, one hundred twenty-two million, five hundred sixty-two thousand, two hundred sixteen".