2064306646 has 32 divisors (see below), whose sum is σ = 3247630848. Its totient is φ = 983255520.

The previous prime is 2064306631. The next prime is 2064306659. The reversal of 2064306646 is 6466034602.

It is a super-2 number, since 2×2064306646² = 8522723857439538632, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 651061 + ... + 654223.

It is an arithmetic number, because the mean of its divisors is an integer number (101488464).

Almost surely, 2^2064306646 is an apocalyptic number.

2064306646 is a deficient number, since it is larger than the sum of its proper divisors (1183324202).

2064306646 is a wasteful number, since it uses less digits than its factorization.

2064306646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3396.

The product of its (nonzero) digits is 124416, while the sum is 37.

The square root of 2064306646 is about 45434.6414754205. The cubic root of 2064306646 is about 1273.2824025175.

The spelling of 2064306646 in words is "two billion, sixty-four million, three hundred six thousand, six hundred forty-six".