27249841164 has 96 divisors (see below), whose sum is σ = 78592550400. Its totient is φ = 7155859968.

The previous prime is 27249841163. The next prime is 27249841189. The reversal of 27249841164 is 46114894272.

It is not an unprimeable number, because it can be changed into a prime (27249841163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 200887 + ... + 307985.

It is an arithmetic number, because the mean of its divisors is an integer number (818672400).

Almost surely, 2^27249841164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27249841164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39296275200).

27249841164 is an abundant number, since it is smaller than the sum of its proper divisors (51342709236).

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

27249841164 is a wasteful number, since it uses less digits than its factorization.

27249841164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107359 (or 107357 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The spelling of 27249841164 in words is "twenty-seven billion, two hundred forty-nine million, eight hundred forty-one thousand, one hundred sixty-four".