6165550506 has 16 divisors (see below), whose sum is σ = 12728878848. Its totient is φ = 1988887200.

The previous prime is 6165550493. The next prime is 6165550507. The reversal of 6165550506 is 6050555616.

It is not an unprimeable number, because it can be changed into a prime (6165550507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16573875 + ... + 16574246.

It is an arithmetic number, because the mean of its divisors is an integer number (795554928).

Almost surely, 2^6165550506 is an apocalyptic number.

6165550506 is an abundant number, since it is smaller than the sum of its proper divisors (6563328342).

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

6165550506 is a wasteful number, since it uses less digits than its factorization.

6165550506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33148157.

The product of its (nonzero) digits is 135000, while the sum is 39.

The square root of 6165550506 is about 78521.0195170694. The cubic root of 6165550506 is about 1833.6817103322.

The spelling of 6165550506 in words is "six billion, one hundred sixty-five million, five hundred fifty thousand, five hundred six".