163355652 has 36 divisors (see below), whose sum is σ = 437218236. Its totient is φ = 51248640.

The previous prime is 163355651. The next prime is 163355653. The reversal of 163355652 is 256553361.

163355652 is a `hidden beast` number, since 1 + 63 + 35 + 565 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (163355651) and next prime (163355653).

It can be written as a sum of positive squares in 2 ways, for example, as 53231616 + 110124036 = 7296^2 + 10494^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (163355651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132849 + ... + 134072.

It is an arithmetic number, because the mean of its divisors is an integer number (12144951).

Almost surely, 2^163355652 is an apocalyptic number.

163355652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

163355652 is an abundant number, since it is smaller than the sum of its proper divisors (273862584).

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

163355652 is a wasteful number, since it uses less digits than its factorization.

163355652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266948 (or 266943 counting only the distinct ones).

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

The square root of 163355652 is about 12781.0661527120. The cubic root of 163355652 is about 546.6525627599.

The spelling of 163355652 in words is "one hundred sixty-three million, three hundred fifty-five thousand, six hundred fifty-two".