6611611560 has 64 divisors (see below), whose sum is σ = 19935590400. Its totient is φ = 1754140416.

The previous prime is 6611611529. The next prime is 6611611607. The reversal of 6611611560 is 651161166.

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, 116200 + ... + 163479.

It is an arithmetic number, because the mean of its divisors is an integer number (311493600).

Almost surely, 2^6611611560 is an apocalyptic number.

6611611560 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6611611560 is an abundant number, since it is smaller than the sum of its proper divisors (13323978840).

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

6611611560 is a wasteful number, since it uses less digits than its factorization.

6611611560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279890 (or 279886 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 6611611560 is about 81311.8168533947. The cubic root of 6611611560 is about 1876.8768463675.

The spelling of 6611611560 in words is "six billion, six hundred eleven million, six hundred eleven thousand, five hundred sixty".