2164500928 has 112 divisors (see below), whose sum is σ = 4820131584. Its totient is φ = 959016960.

The previous prime is 2164500907. The next prime is 2164500929. The reversal of 2164500928 is 8290054612.

It is a super-2 number, since 2×2164500928² = 9370128534625722368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164500929) 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, 1675963 + ... + 1677253.

Almost surely, 2^2164500928 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 2164500928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2410065792).

2164500928 is an abundant number, since it is smaller than the sum of its proper divisors (2655630656).

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

2164500928 is a wasteful number, since it uses less digits than its factorization.

2164500928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410 (or 1400 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 2164500928 is about 46524.1972311183. The cubic root of 2164500928 is about 1293.5580573359.

The spelling of 2164500928 in words is "two billion, one hundred sixty-four million, five hundred thousand, nine hundred twenty-eight".