6630783615 has 48 divisors (see below), whose sum is σ = 12216080448. Its totient is φ = 3315637248.

The previous prime is 6630783611. The next prime is 6630783629. The reversal of 6630783615 is 5163870366.

6630783615 is a `hidden beast` number, since 6 + 630 + 7 + 8 + 3 + 6 + 1 + 5 = 666.

It is not a de Polignac number, because 6630783615 - 2² = 6630783611 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6630783611) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 184717 + ... + 217673.

It is an arithmetic number, because the mean of its divisors is an integer number (254501676).

It is the magic constant of a 2367 × 2367 magic square.

Almost surely, 2^6630783615 is an apocalyptic number.

6630783615 is a deficient number, since it is larger than the sum of its proper divisors (5585296833).

6630783615 is a wasteful number, since it uses less digits than its factorization.

6630783615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33248 (or 33245 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 6630783615 is about 81429.6236943288. The cubic root of 6630783615 is about 1878.6892567774.

The spelling of 6630783615 in words is "six billion, six hundred thirty million, seven hundred eighty-three thousand, six hundred fifteen".