165395500 has 24 divisors (see below), whose sum is σ = 361224864. Its totient is φ = 66158000.

The previous prime is 165395473. The next prime is 165395521. The reversal of 165395500 is 5593561.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164896 + ... + 165895.

It is an arithmetic number, because the mean of its divisors is an integer number (15051036).

Almost surely, 2^165395500 is an apocalyptic number.

165395500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165395500 is an abundant number, since it is smaller than the sum of its proper divisors (195829364).

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

165395500 is a wasteful number, since it uses less digits than its factorization.

165395500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330810 (or 330798 counting only the distinct ones).

The product of its (nonzero) digits is 20250, while the sum is 34.

The square root of 165395500 is about 12860.6181810984. The cubic root of 165395500 is about 548.9185360704.

The spelling of 165395500 in words is "one hundred sixty-five million, three hundred ninety-five thousand, five hundred".