2151482168 has 64 divisors (see below), whose sum is σ = 4461937920. Its totient is φ = 964454400.

The previous prime is 2151482161. The next prime is 2151482183. The reversal of 2151482168 is 8612841512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151482161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2224421 + ... + 2225387.

It is an arithmetic number, because the mean of its divisors is an integer number (69717780).

Almost surely, 2^2151482168 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 2151482168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2230968960).

2151482168 is an abundant number, since it is smaller than the sum of its proper divisors (2310455752).

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

2151482168 is a wasteful number, since it uses less digits than its factorization.

2151482168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308 (or 1304 counting only the distinct ones).

The product of its digits is 30720, while the sum is 38.

The square root of 2151482168 is about 46384.0723524789. The cubic root of 2151482168 is about 1290.9593984723.

The spelling of 2151482168 in words is "two billion, one hundred fifty-one million, four hundred eighty-two thousand, one hundred sixty-eight".