2091065382 has 160 divisors (see below), whose sum is σ = 5854464000. Its totient is φ = 544008960.

The previous prime is 2091065371. The next prime is 2091065393. The reversal of 2091065382 is 2835601902.

2091065382 is a `hidden beast` number, since 209 + 10 + 65 + 382 = 666.

It is an interprime number because it is at equal distance from previous prime (2091065371) and next prime (2091065393).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 595869 + ... + 599367.

It is an arithmetic number, because the mean of its divisors is an integer number (36590400).

Almost surely, 2^2091065382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2091065382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2927232000).

2091065382 is an abundant number, since it is smaller than the sum of its proper divisors (3763398618).

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

2091065382 is a wasteful number, since it uses less digits than its factorization.

2091065382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3568 (or 3559 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 2091065382 is about 45728.1683648055. The cubic root of 2091065382 is about 1278.7604744543.

The spelling of 2091065382 in words is "two billion, ninety-one million, sixty-five thousand, three hundred eighty-two".