2041663646 has 16 divisors (see below), whose sum is σ = 3387961728. Its totient is φ = 914957400.

The previous prime is 2041663633. The next prime is 2041663661. The reversal of 2041663646 is 6463661402.

It is a happy number.

It is a super-3 number, since 3×2041663646³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651980 + ... + 655103.

It is an arithmetic number, because the mean of its divisors is an integer number (211747608).

Almost surely, 2^2041663646 is an apocalyptic number.

2041663646 is a deficient number, since it is larger than the sum of its proper divisors (1346298082).

2041663646 is a wasteful number, since it uses less digits than its factorization.

2041663646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307167.

The product of its (nonzero) digits is 124416, while the sum is 38.

The square root of 2041663646 is about 45184.7722800503. The cubic root of 2041663646 is about 1268.6098095290.

The spelling of 2041663646 in words is "two billion, forty-one million, six hundred sixty-three thousand, six hundred forty-six".