6615616106 has 16 divisors (see below), whose sum is σ = 10832501088. Its totient is φ = 3005168400.

The previous prime is 6615616087. The next prime is 6615616123. The reversal of 6615616106 is 6016165166.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6615616106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61145 + ... + 130268.

It is an arithmetic number, because the mean of its divisors is an integer number (677031318).

Almost surely, 2^6615616106 is an apocalyptic number.

6615616106 is a deficient number, since it is larger than the sum of its proper divisors (4216884982).

6615616106 is a wasteful number, since it uses less digits than its factorization.

6615616106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192997.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 6615616106 is about 81336.4377508629. The cubic root of 6615616106 is about 1877.2557011879.

The spelling of 6615616106 in words is "six billion, six hundred fifteen million, six hundred sixteen thousand, one hundred six".