2146657848 has 64 divisors (see below), whose sum is σ = 5673024000. Its totient is φ = 675021312.

The previous prime is 2146657741. The next prime is 2146657853. The reversal of 2146657848 is 8487566412.

It is a super-2 number, since 2×2146657848² = 9216279832759982208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2146657848.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99136 + ... + 118832.

It is an arithmetic number, because the mean of its divisors is an integer number (88641000).

Almost surely, 2^2146657848 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 2146657848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2836512000).

2146657848 is an abundant number, since it is smaller than the sum of its proper divisors (3526366152).

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

2146657848 is a wasteful number, since it uses less digits than its factorization.

2146657848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19964 (or 19960 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 51.

The square root of 2146657848 is about 46332.0391090226. The cubic root of 2146657848 is about 1289.9937599602.

The spelling of 2146657848 in words is "two billion, one hundred forty-six million, six hundred fifty-seven thousand, eight hundred forty-eight".