2061326544 has 20 divisors (see below), whose sum is σ = 5325093696. Its totient is φ = 687108832.

The previous prime is 2061326521. The next prime is 2061326563. The reversal of 2061326544 is 4456231602.

It is a congruent number.

It is an unprimeable number.

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, 21472104 + ... + 21472199.

Almost surely, 2^2061326544 is an apocalyptic number.

2061326544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2061326544 is an abundant number, since it is smaller than the sum of its proper divisors (3263767152).

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

2061326544 is a wasteful number, since it uses less digits than its factorization.

2061326544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42944314 (or 42944308 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 2061326544 is about 45401.8341479725. The cubic root of 2061326544 is about 1272.6693897708.

The spelling of 2061326544 in words is "two billion, sixty-one million, three hundred twenty-six thousand, five hundred forty-four".