6601708782 has 12 divisors (see below), whose sum is σ = 14303702400. Its totient is φ = 2200569588.

The previous prime is 6601708781. The next prime is 6601708807. The reversal of 6601708782 is 2878071066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6601708781) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 183380782 + ... + 183380817.

It is an arithmetic number, because the mean of its divisors is an integer number (1191975200).

Almost surely, 2^6601708782 is an apocalyptic number.

6601708782 is an abundant number, since it is smaller than the sum of its proper divisors (7701993618).

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

6601708782 is a wasteful number, since it uses less digits than its factorization.

6601708782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366761607 (or 366761604 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 6601708782 is about 81250.9001919363. The cubic root of 6601708782 is about 1875.9393249713.

The spelling of 6601708782 in words is "six billion, six hundred one million, seven hundred eight thousand, seven hundred eighty-two".