6165561015 has 48 divisors (see below), whose sum is σ = 11112581376. Its totient is φ = 3158899200.

The previous prime is 6165560983. The next prime is 6165561023. The reversal of 6165561015 is 5101655616.

It is not a de Polignac number, because 6165561015 - 2⁵ = 6165560983 is a prime.

6165561015 is a modest number, since divided by 561015 gives 6165 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 174985 + ... + 207245.

It is an arithmetic number, because the mean of its divisors is an integer number (231512112).

Almost surely, 2^6165561015 is an apocalyptic number.

6165561015 is a deficient number, since it is larger than the sum of its proper divisors (4947020361).

6165561015 is a wasteful number, since it uses less digits than its factorization.

6165561015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32440 (or 32437 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The square root of 6165561015 is about 78521.0864354283. The cubic root of 6165561015 is about 1833.6827521505.

The spelling of 6165561015 in words is "six billion, one hundred sixty-five million, five hundred sixty-one thousand, fifteen".