2154160128 has 224 divisors, whose sum is σ = 6215579136. Its totient is φ = 661782528.

The previous prime is 2154160109. The next prime is 2154160291. The reversal of 2154160128 is 8210614512.

It is a junction number, because it is equal to n+sod(n) for n = 2154160095 and 2154160104.

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, 20914125 + ... + 20914227.

Almost surely, 2^2154160128 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 2154160128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3107789568).

2154160128 is an abundant number, since it is smaller than the sum of its proper divisors (4061419008).

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

2154160128 is a wasteful number, since it uses less digits than its factorization.

2154160128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 2154160128 is about 46412.9306120611. The cubic root of 2154160128 is about 1291.4947974794.

The spelling of 2154160128 in words is "two billion, one hundred fifty-four million, one hundred sixty thousand, one hundred twenty-eight".