2168896180 has 48 divisors (see below), whose sum is σ = 5024617920. Its totient is φ = 779820800.

The previous prime is 2168896153. The next prime is 2168896181. The reversal of 2168896180 is 816988612.

It is a super-2 number, since 2×2168896180² = 9408221279237184800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2168896181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35806 + ... + 74965.

It is an arithmetic number, because the mean of its divisors is an integer number (104679540).

Almost surely, 2^2168896180 is an apocalyptic number.

2168896180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2168896180 is an abundant number, since it is smaller than the sum of its proper divisors (2855721740).

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

2168896180 is a wasteful number, since it uses less digits than its factorization.

2168896180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110880 (or 110878 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 49.

The square root of 2168896180 is about 46571.4094697594. The cubic root of 2168896180 is about 1294.4330349580.

The spelling of 2168896180 in words is "two billion, one hundred sixty-eight million, eight hundred ninety-six thousand, one hundred eighty".