2168677944 has 48 divisors (see below), whose sum is σ = 6016767120. Its totient is φ = 705260160.

The previous prime is 2168677897. The next prime is 2168677969. The reversal of 2168677944 is 4497768612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 364372 + ... + 370275.

It is an arithmetic number, because the mean of its divisors is an integer number (125349315).

Almost surely, 2^2168677944 is an apocalyptic number.

2168677944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2168677944 is an abundant number, since it is smaller than the sum of its proper divisors (3848089176).

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

2168677944 is a wasteful number, since it uses less digits than its factorization.

2168677944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734700 (or 734693 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 2168677944 is about 46569.0663853163. The cubic root of 2168677944 is about 1294.3896178863.

The spelling of 2168677944 in words is "two billion, one hundred sixty-eight million, six hundred seventy-seven thousand, nine hundred forty-four".