2081537016 has 32 divisors (see below), whose sum is σ = 5604138960. Its totient is φ = 640472832.

The previous prime is 2081537011. The next prime is 2081537027. The reversal of 2081537016 is 6107351802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081537011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3335485 + ... + 3336108.

Almost surely, 2^2081537016 is an apocalyptic number.

2081537016 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2081537016 is an abundant number, since it is smaller than the sum of its proper divisors (3522601944).

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

2081537016 is a wasteful number, since it uses less digits than its factorization.

2081537016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6671615 (or 6671611 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 2081537016 is about 45623.8645447752. The cubic root of 2081537016 is about 1276.8152057928.

Adding to 2081537016 its reverse (6107351802), we get a palindrome (8188888818).

The spelling of 2081537016 in words is "two billion, eighty-one million, five hundred thirty-seven thousand, sixteen".