6577475661560 has 16 divisors (see below), whose sum is σ = 14799320238600. Its totient is φ = 2630990264608.

The previous prime is 6577475661551. The next prime is 6577475661599. The reversal of 6577475661560 is 651665747756.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82218445730 + ... + 82218445809.

Almost surely, 2^{6577475661560} is an apocalyptic number.

It is an amenable number.

6577475661560 is an abundant number, since it is smaller than the sum of its proper divisors (8221844577040).

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

6577475661560 is a wasteful number, since it uses less digits than its factorization.

6577475661560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164436891550 (or 164436891546 counting only the distinct ones).

The product of its (nonzero) digits is 222264000, while the sum is 65.

The spelling of 6577475661560 in words is "six trillion, five hundred seventy-seven billion, four hundred seventy-five million, six hundred sixty-one thousand, five hundred sixty".