6611166516 has 48 divisors (see below), whose sum is σ = 16860372480. Its totient is φ = 2007183360.

The previous prime is 6611166493. The next prime is 6611166563. The reversal of 6611166516 is 6156611166.

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, 516381 + ... + 529028.

It is an arithmetic number, because the mean of its divisors is an integer number (351257760).

Almost surely, 2^6611166516 is an apocalyptic number.

It is an amenable number.

6611166516 is an abundant number, since it is smaller than the sum of its proper divisors (10249205964).

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

6611166516 is a wasteful number, since it uses less digits than its factorization.

6611166516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045464 (or 1045462 counting only the distinct ones).

The product of its digits is 38880, while the sum is 39.

The square root of 6611166516 is about 81309.0801571387. The cubic root of 6611166516 is about 1876.8347330081.

The spelling of 6611166516 in words is "six billion, six hundred eleven million, one hundred sixty-six thousand, five hundred sixteen".