2146768884 has 144 divisors (see below), whose sum is σ = 6203258880. Its totient is φ = 620524800.

The previous prime is 2146768861. The next prime is 2146768931. The reversal of 2146768884 is 4888676412.

2146768884 is a `hidden beast` number, since 21 + 467 + 6 + 88 + 84 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2146768884.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1128334 + ... + 1130234.

Almost surely, 2^2146768884 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 2146768884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3101629440).

2146768884 is an abundant number, since it is smaller than the sum of its proper divisors (4056489996).

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

2146768884 is a wasteful number, since it uses less digits than its factorization.

2146768884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070 (or 2065 counting only the distinct ones).

The product of its digits is 4128768, while the sum is 54.

The square root of 2146768884 is about 46333.2373572147. The cubic root of 2146768884 is about 1290.0160012437.

The spelling of 2146768884 in words is "two billion, one hundred forty-six million, seven hundred sixty-eight thousand, eight hundred eighty-four".