2043663516 has 36 divisors (see below), whose sum is σ = 5228174952. Its totient is φ = 673012704.

The previous prime is 2043663511. The next prime is 2043663529. The reversal of 2043663516 is 6153663402.

2043663516 is a `hidden beast` number, since 2 + 0 + 4 + 3 + 6 + 635 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043663511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 338991 + ... + 344966.

It is an arithmetic number, because the mean of its divisors is an integer number (145227082).

Almost surely, 2^2043663516 is an apocalyptic number.

It is an amenable number.

2043663516 is an abundant number, since it is smaller than the sum of its proper divisors (3184511436).

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

2043663516 is a wasteful number, since it uses less digits than its factorization.

2043663516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684050 (or 684045 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 2043663516 is about 45206.8967747179. The cubic root of 2043663516 is about 1269.0238879828.

The spelling of 2043663516 in words is "two billion, forty-three million, six hundred sixty-three thousand, five hundred sixteen".