165067660 has 12 divisors (see below), whose sum is σ = 346642128. Its totient is φ = 66027056.

The previous prime is 165067607. The next prime is 165067709. The reversal of 165067660 is 66760561.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4126672 + ... + 4126711.

It is an arithmetic number, because the mean of its divisors is an integer number (28886844).

Almost surely, 2^165067660 is an apocalyptic number.

165067660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165067660 is an abundant number, since it is smaller than the sum of its proper divisors (181574468).

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

165067660 is a wasteful number, since it uses less digits than its factorization.

165067660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8253392 (or 8253390 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 165067660 is about 12847.8659706583. The cubic root of 165067660 is about 548.5556151015. Note that the first 3 decimals are identical.

The spelling of 165067660 in words is "one hundred sixty-five million, sixty-seven thousand, six hundred sixty".