26146622664161 has 8 divisors (see below), whose sum is σ = 26382706056000. Its totient is φ = 25911586206000.

The previous prime is 26146622664109. The next prime is 26146622664179. The reversal of 26146622664161 is 16146622664162.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26146622664161 - 2²⁶ = 26146555555297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26146622664361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261683246 + ... + 261783143.

It is an arithmetic number, because the mean of its divisors is an integer number (3297838257000).

Almost surely, 2^{26146622664161} is an apocalyptic number.

It is an amenable number.

26146622664161 is a deficient number, since it is larger than the sum of its proper divisors (236083391839).

26146622664161 is a wasteful number, since it uses less digits than its factorization.

26146622664161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523466839.

The product of its digits is 5971968, while the sum is 53.

Subtracting from 26146622664161 its reverse (16146622664162), we obtain a palindrome (9999999999999).

The spelling of 26146622664161 in words is "twenty-six trillion, one hundred forty-six billion, six hundred twenty-two million, six hundred sixty-four thousand, one hundred sixty-one".