26966649996 has 216 divisors, whose sum is σ = 81128829600. Its totient is φ = 7502077440.

The previous prime is 26966649977. The next prime is 26966650133. The reversal of 26966649996 is 69994666962.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 11267776 + ... + 11270168.

Almost surely, 2^26966649996 is an apocalyptic number.

26966649996 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26966649996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40564414800).

26966649996 is an abundant number, since it is smaller than the sum of its proper divisors (54162179604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26966649996 is a wasteful number, since it uses less digits than its factorization.

26966649996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2637 (or 2621 counting only the distinct ones).

The product of its digits is 408146688, while the sum is 72.

The spelling of 26966649996 in words is "twenty-six billion, nine hundred sixty-six million, six hundred forty-nine thousand, nine hundred ninety-six".