26168947109 has 8 divisors (see below), whose sum is σ = 26195400000. Its totient is φ = 26142512032.

The previous prime is 26168947069. The next prime is 26168947121. The reversal of 26168947109 is 90174986162.

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 26168947109 - 2¹⁶ = 26168881573 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 (26168947159) 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, 8724392 + ... + 8727390.

It is an arithmetic number, because the mean of its divisors is an integer number (3274425000).

Almost surely, 2^26168947109 is an apocalyptic number.

It is an amenable number.

26168947109 is a deficient number, since it is larger than the sum of its proper divisors (26452891).

26168947109 is a wasteful number, since it uses less digits than its factorization.

26168947109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8907.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 26168947109 in words is "twenty-six billion, one hundred sixty-eight million, nine hundred forty-seven thousand, one hundred nine".