165966468 has 48 divisors (see below), whose sum is σ = 393978816. Its totient is φ = 54369280.

The previous prime is 165966457. The next prime is 165966491. The reversal of 165966468 is 864669561.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 165966468.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279580 + ... + 280172.

It is an arithmetic number, because the mean of its divisors is an integer number (8207892).

Almost surely, 2^165966468 is an apocalyptic number.

It is an amenable number.

165966468 is an abundant number, since it is smaller than the sum of its proper divisors (228012348).

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

165966468 is a wasteful number, since it uses less digits than its factorization.

165966468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964 (or 962 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 51.

The square root of 165966468 is about 12882.7973670317. The cubic root of 165966468 is about 549.5494580288.

The spelling of 165966468 in words is "one hundred sixty-five million, nine hundred sixty-six thousand, four hundred sixty-eight".