6161610015 has 48 divisors (see below), whose sum is σ = 11688562080. Its totient is φ = 2977827840.

The previous prime is 6161609983. The next prime is 6161610017. The reversal of 6161610015 is 5100161616.

6161610015 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6161610015 - 2⁵ = 6161609983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6161610017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 135051 + ... + 174819.

It is an arithmetic number, because the mean of its divisors is an integer number (243511710).

Almost surely, 2^6161610015 is an apocalyptic number.

6161610015 is a deficient number, since it is larger than the sum of its proper divisors (5526952065).

6161610015 is a wasteful number, since it uses less digits than its factorization.

6161610015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40104 (or 40101 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 6161610015 is about 78495.9235565771. The cubic root of 6161610015 is about 1833.2909830621.

It can be divided in two parts, 61616 and 10015, that added together give a triangular number (71631 = T₃₇₈).

The spelling of 6161610015 in words is "six billion, one hundred sixty-one million, six hundred ten thousand, fifteen".