6691652352 has 648 divisors, whose sum is σ = 25332256768. Its totient is φ = 1724405760.

The previous prime is 6691652347. The next prime is 6691652377. The reversal of 6691652352 is 2532561966.

6691652352 is a `hidden beast` number, since 6 + 69 + 16 + 523 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (648).

It is a super-2 number, since 2×6691652352² = 89556422400054263808, which contains 22 as substring.

Its product of digits (583200) is a multiple of the sum of its prime divisors (150).

It is a junction number, because it is equal to n+sod(n) for n = 6691652298 and 6691652307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 52690113 + ... + 52690239.

Almost surely, 2^6691652352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6691652352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12666128384).

6691652352 is an abundant number, since it is smaller than the sum of its proper divisors (18640604416).

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

6691652352 is a wasteful number, since it uses less digits than its factorization.

6691652352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 150 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The square root of 6691652352 is about 81802.5204501671. The cubic root of 6691652352 is about 1884.4203695024.

The spelling of 6691652352 in words is "six billion, six hundred ninety-one million, six hundred fifty-two thousand, three hundred fifty-two".