2061071650 has 72 divisors (see below), whose sum is σ = 4256766612. Its totient is φ = 741840000.

The previous prime is 2061071647. The next prime is 2061071651. The reversal of 2061071650 is 561701602.

It can be written as a sum of positive squares in 6 ways, for example, as 1888858521 + 172213129 = 43461^2 + 13123^2 .

It is not an unprimeable number, because it can be changed into a prime (2061071651) 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 35 ways as a sum of consecutive naturals, for example, 609364 + ... + 612736.

Almost surely, 2^2061071650 is an apocalyptic number.

2061071650 is an abundant number, since it is smaller than the sum of its proper divisors (2195694962).

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

2061071650 is a wasteful number, since it uses less digits than its factorization.

2061071650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3508 (or 3492 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 2061071650 is about 45399.0269719517. The cubic root of 2061071650 is about 1272.6169301602.

The spelling of 2061071650 in words is "two billion, sixty-one million, seventy-one thousand, six hundred fifty".