6111655664 has 10 divisors (see below), whose sum is σ = 11841332880. Its totient is φ = 3055827824.

The previous prime is 6111655643. The next prime is 6111655769. The reversal of 6111655664 is 4665561116.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190989224 + ... + 190989255.

It is an arithmetic number, because the mean of its divisors is an integer number (1184133288).

Almost surely, 2^6111655664 is an apocalyptic number.

It is an amenable number.

6111655664 is a deficient number, since it is larger than the sum of its proper divisors (5729677216).

6111655664 is a wasteful number, since it uses less digits than its factorization.

6111655664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381978487 (or 381978481 counting only the distinct ones).

The product of its digits is 129600, while the sum is 41.

The square root of 6111655664 is about 78177.0788914500. The cubic root of 6111655664 is about 1828.3231540571.

The spelling of 6111655664 in words is "six billion, one hundred eleven million, six hundred fifty-five thousand, six hundred sixty-four".