26646116951 has 8 divisors (see below), whose sum is σ = 28309948320. Its totient is φ = 25031952288.

The previous prime is 26646116947. The next prime is 26646117019. The reversal of 26646116951 is 15961164662.

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 26646116951 - 2² = 26646116947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26646116896 and 26646116905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26646116921) 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, 12415571 + ... + 12417716.

It is an arithmetic number, because the mean of its divisors is an integer number (3538743540).

Almost surely, 2^26646116951 is an apocalyptic number.

26646116951 is a deficient number, since it is larger than the sum of its proper divisors (1663831369).

26646116951 is a wasteful number, since it uses less digits than its factorization.

26646116951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24833353.

The product of its digits is 466560, while the sum is 47.

The spelling of 26646116951 in words is "twenty-six billion, six hundred forty-six million, one hundred sixteen thousand, nine hundred fifty-one".