26150201621 has 8 divisors (see below), whose sum is σ = 26999193600. Its totient is φ = 25301549520.

The previous prime is 26150201617. The next prime is 26150201681. The reversal of 26150201621 is 12610205162.

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 26150201621 - 2² = 26150201617 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26150201681) 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, 76295 + ... + 241083.

It is an arithmetic number, because the mean of its divisors is an integer number (3374899200).

Almost surely, 2^26150201621 is an apocalyptic number.

It is an amenable number.

26150201621 is a deficient number, since it is larger than the sum of its proper divisors (848991979).

26150201621 is a wasteful number, since it uses less digits than its factorization.

26150201621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169939.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 26150201621 its reverse (12610205162), we get a palindrome (38760406783).

The spelling of 26150201621 in words is "twenty-six billion, one hundred fifty million, two hundred one thousand, six hundred twenty-one".