6601520760 has 64 divisors (see below), whose sum is σ = 20339834400. Its totient is φ = 1712825856.

The previous prime is 6601520753. The next prime is 6601520851. The reversal of 6601520760 is 670251066.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 738975 + ... + 747854.

Almost surely, 2^6601520760 is an apocalyptic number.

6601520760 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6601520760 is an abundant number, since it is smaller than the sum of its proper divisors (13738313640).

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

6601520760 is a wasteful number, since it uses less digits than its factorization.

6601520760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486880 (or 1486876 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 6601520760 is about 81249.7431380555. The cubic root of 6601520760 is about 1875.9215153797.

The spelling of 6601520760 in words is "six billion, six hundred one million, five hundred twenty thousand, seven hundred sixty".