2081615061 has 8 divisors (see below), whose sum is σ = 2791530720. Its totient is φ = 1379721392.

The previous prime is 2081615051. The next prime is 2081615089. The reversal of 2081615061 is 1605161802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2081615061 - 2¹⁰ = 2081614037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081615051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2004891 + ... + 2005928.

It is an arithmetic number, because the mean of its divisors is an integer number (348941340).

Almost surely, 2^2081615061 is an apocalyptic number.

It is an amenable number.

2081615061 is a deficient number, since it is larger than the sum of its proper divisors (709915659).

2081615061 is a wasteful number, since it uses less digits than its factorization.

2081615061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4010995.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 2081615061 is about 45624.7198457152. The cubic root of 2081615061 is about 1276.8311631994.

Adding to 2081615061 its reverse (1605161802), we get a palindrome (3686776863).

The spelling of 2081615061 in words is "two billion, eighty-one million, six hundred fifteen thousand, sixty-one".