2648991696 has 160 divisors (see below), whose sum is σ = 7726172160. Its totient is φ = 775982592.

The previous prime is 2648991691. The next prime is 2648991701. The reversal of 2648991696 is 6961998462.

It is an interprime number because it is at equal distance from previous prime (2648991691) and next prime (2648991701).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2648991691) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 5439165 + ... + 5439651.

It is an arithmetic number, because the mean of its divisors is an integer number (48288576).

Almost surely, 2^2648991696 is an apocalyptic number.

2648991696 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 2648991696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3863086080).

2648991696 is an abundant number, since it is smaller than the sum of its proper divisors (5077180464).

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

2648991696 is a wasteful number, since it uses less digits than its factorization.

2648991696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913 (or 907 counting only the distinct ones).

The product of its digits is 10077696, while the sum is 60.

The square root of 2648991696 is about 51468.3562589675. The cubic root of 2648991696 is about 1383.6519695798.

The spelling of 2648991696 in words is "two billion, six hundred forty-eight million, nine hundred ninety-one thousand, six hundred ninety-six".