6606533670 has 128 divisors (see below), whose sum is σ = 17607601152. Its totient is φ = 1573017600.

The previous prime is 6606533669. The next prime is 6606533671. The reversal of 6606533670 is 763356066.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6606533669) and next prime (6606533671).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6606533671) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10707202 + ... + 10707818.

It is an arithmetic number, because the mean of its divisors is an integer number (137559384).

Almost surely, 2^6606533670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6606533670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8803800576).

6606533670 is an abundant number, since it is smaller than the sum of its proper divisors (11001067482).

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

6606533670 is a wasteful number, since it uses less digits than its factorization.

6606533670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166.

The product of its (nonzero) digits is 408240, while the sum is 42.

The square root of 6606533670 is about 81280.5860584186. The cubic root of 6606533670 is about 1876.3962265249.

The spelling of 6606533670 in words is "six billion, six hundred six million, five hundred thirty-three thousand, six hundred seventy".