2061343056 has 20 divisors (see below), whose sum is σ = 5325136352. Its totient is φ = 687114336.

The previous prime is 2061343051. The next prime is 2061343087. The reversal of 2061343056 is 6503431602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061343051) 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 3 ways as a sum of consecutive naturals, for example, 21472276 + ... + 21472371.

Almost surely, 2^2061343056 is an apocalyptic number.

It is an amenable number.

2061343056 is an abundant number, since it is smaller than the sum of its proper divisors (3263793296).

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

2061343056 is a wasteful number, since it uses less digits than its factorization.

2061343056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42944658 (or 42944652 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 2061343056 is about 45402.0159904822. The cubic root of 2061343056 is about 1272.6727879483.

Adding to 2061343056 its reverse (6503431602), we get a palindrome (8564774658).

The spelling of 2061343056 in words is "two billion, sixty-one million, three hundred forty-three thousand, fifty-six".