2061653612 has 12 divisors (see below), whose sum is σ = 3643616256. Its totient is φ = 1020620400.

The previous prime is 2061653603. The next prime is 2061653647. The reversal of 2061653612 is 2163561602.

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, 2551148 + ... + 2551955.

It is an arithmetic number, because the mean of its divisors is an integer number (303634688).

Almost surely, 2^2061653612 is an apocalyptic number.

It is an amenable number.

2061653612 is a deficient number, since it is larger than the sum of its proper divisors (1581962644).

2061653612 is a wasteful number, since it uses less digits than its factorization.

2061653612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5103208 (or 5103206 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 2061653612 is about 45405.4359300734. The cubic root of 2061653612 is about 1272.7366971430.

The spelling of 2061653612 in words is "two billion, sixty-one million, six hundred fifty-three thousand, six hundred twelve".