2081287176 has 64 divisors (see below), whose sum is σ = 5413601280. Its totient is φ = 666066240.

The previous prime is 2081287133. The next prime is 2081287177. The reversal of 2081287176 is 6717821802.

It is a super-3 number, since 3×2081287176³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2081287177) 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, 83475 + ... + 105501.

It is an arithmetic number, because the mean of its divisors is an integer number (84587520).

Almost surely, 2^2081287176 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 2081287176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2706800640).

2081287176 is an abundant number, since it is smaller than the sum of its proper divisors (3332314104).

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

2081287176 is a wasteful number, since it uses less digits than its factorization.

2081287176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22194 (or 22190 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 42.

The square root of 2081287176 is about 45621.1264218673. The cubic root of 2081287176 is about 1276.7641197808.

The spelling of 2081287176 in words is "two billion, eighty-one million, two hundred eighty-seven thousand, one hundred seventy-six".