26216022201 has 16 divisors (see below), whose sum is σ = 37111728384. Its totient is φ = 16404436224.

The previous prime is 26216022197. The next prime is 26216022211. The reversal of 26216022201 is 10222061262.

It is a happy number.

It is not a de Polignac number, because 26216022201 - 2² = 26216022197 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26216022211) 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, 681610 + ... + 719043.

It is an arithmetic number, because the mean of its divisors is an integer number (2319483024).

Almost surely, 2^26216022201 is an apocalyptic number.

It is an amenable number.

26216022201 is a deficient number, since it is larger than the sum of its proper divisors (10895706183).

26216022201 is a wasteful number, since it uses less digits than its factorization.

26216022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401040.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 26216022201 its reverse (10222061262), we get a palindrome (36438083463).

The spelling of 26216022201 in words is "twenty-six billion, two hundred sixteen million, twenty-two thousand, two hundred one".