165005150156 has 72 divisors (see below), whose sum is σ = 379076014800. Its totient is φ = 62070879360.

The previous prime is 165005150143. The next prime is 165005150159. The reversal of 165005150156 is 651051500561.

165005150156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (165005150159) 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 23 ways as a sum of consecutive naturals, for example, 1257011 + ... + 1382058.

It is an arithmetic number, because the mean of its divisors is an integer number (5264944650).

Almost surely, 2^165005150156 is an apocalyptic number.

It is an amenable number.

165005150156 is an abundant number, since it is smaller than the sum of its proper divisors (214070864644).

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

165005150156 is a wasteful number, since it uses less digits than its factorization.

165005150156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2639127 (or 2639118 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 165005150156 in words is "one hundred sixty-five billion, five million, one hundred fifty thousand, one hundred fifty-six".