165335652 has 18 divisors (see below), whose sum is σ = 417931878. Its totient is φ = 55111872.

The previous prime is 165335633. The next prime is 165335671. The reversal of 165335652 is 256533561.

165335652 is a `hidden beast` number, since 1 + 65 + 33 + 565 + 2 = 666.

165335652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (165335633) and next prime (165335671).

It can be written as a sum of positive squares in only one way, i.e., 134931456 + 30404196 = 11616^2 + 5514^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 4592657 = 165335652 / (1 + 6 + 5 + 3 + 3 + 5 + 6 + 5 + 2).

It is a zygodrome in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2296293 + ... + 2296364.

Almost surely, 2^165335652 is an apocalyptic number.

165335652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

165335652 is an abundant number, since it is smaller than the sum of its proper divisors (252596226).

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

165335652 is a wasteful number, since it uses less digits than its factorization.

165335652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4592667 (or 4592662 counting only the distinct ones).

The product of its digits is 81000, while the sum is 36.

The square root of 165335652 is about 12858.2911772910. The cubic root of 165335652 is about 548.8523197590.

The spelling of 165335652 in words is "one hundred sixty-five million, three hundred thirty-five thousand, six hundred fifty-two".