165447050368 has 32 divisors (see below), whose sum is σ = 343932053760. Its totient is φ = 79126848768.

The previous prime is 165447050359. The next prime is 165447050369. The reversal of 165447050368 is 863050744561.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (165447050369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28096080 + ... + 28101967.

It is an arithmetic number, because the mean of its divisors is an integer number (10747876680).

Almost surely, 2^165447050368 is an apocalyptic number.

It is an amenable number.

165447050368 is an abundant number, since it is smaller than the sum of its proper divisors (178485003392).

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

165447050368 is an equidigital number, since it uses as much as digits as its factorization.

165447050368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56198084 (or 56198072 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 165447050368 in words is "one hundred sixty-five billion, four hundred forty-seven million, fifty thousand, three hundred sixty-eight".