6165616905 has 24 divisors (see below), whose sum is σ = 12213794112. Its totient is φ = 2818567584.

The previous prime is 6165616861. The next prime is 6165616927. The reversal of 6165616905 is 5096165616.

It is not a de Polignac number, because 6165616905 - 2⁹ = 6165616393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9786379 + ... + 9787008.

It is an arithmetic number, because the mean of its divisors is an integer number (508908088).

Almost surely, 2^6165616905 is an apocalyptic number.

It is an amenable number.

6165616905 is a deficient number, since it is larger than the sum of its proper divisors (6048177207).

6165616905 is a wasteful number, since it uses less digits than its factorization.

6165616905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19573405 (or 19573402 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The square root of 6165616905 is about 78521.4423262844. The cubic root of 6165616905 is about 1833.6882928314.

The spelling of 6165616905 in words is "six billion, one hundred sixty-five million, six hundred sixteen thousand, nine hundred five".