6165650099538 has 128 divisors (see below), whose sum is σ = 14486958604800. Its totient is φ = 1940756702976.

The previous prime is 6165650099533. The next prime is 6165650099569. The reversal of 6165650099538 is 8359900565616.

6165650099538 is a `hidden beast` number, since 6 + 1 + 6 + 5 + 6 + 5 + 0 + 0 + 99 + 538 = 666.

It is a super-2 number, since 2×6165650099538² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6165650099533) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26193195 + ... + 26427537.

It is an arithmetic number, because the mean of its divisors is an integer number (113179364100).

Almost surely, 2^{6165650099538} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6165650099538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7243479302400).

6165650099538 is an abundant number, since it is smaller than the sum of its proper divisors (8321308505262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6165650099538 is a wasteful number, since it uses less digits than its factorization.

6165650099538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234753 (or 234747 counting only the distinct ones).

The product of its (nonzero) digits is 52488000, while the sum is 63.

The spelling of 6165650099538 in words is "six trillion, one hundred sixty-five billion, six hundred fifty million, ninety-nine thousand, five hundred thirty-eight".