163164433 has 4 divisors (see below), whose sum is σ = 163250100. Its totient is φ = 163078768.

The previous prime is 163164361. The next prime is 163164437. The reversal of 163164433 is 334461361.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 150970369 + 12194064 = 12287^2 + 3492^2 .

It is a cyclic number.

It is not a de Polignac number, because 163164433 - 2⁹ = 163163921 is a prime.

It is a super-2 number, since 2×163164433² = 53245264392422978, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163164395 and 163164404.

It is not an unprimeable number, because it can be changed into a prime (163164437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39910 + ... + 43807.

It is an arithmetic number, because the mean of its divisors is an integer number (40812525).

Almost surely, 2^163164433 is an apocalyptic number.

It is an amenable number.

163164433 is a deficient number, since it is larger than the sum of its proper divisors (85667).

163164433 is an equidigital number, since it uses as much as digits as its factorization.

163164433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85666.

The product of its digits is 15552, while the sum is 31.

The square root of 163164433 is about 12773.5834048242. The cubic root of 163164433 is about 546.4391813672.

The spelling of 163164433 in words is "one hundred sixty-three million, one hundred sixty-four thousand, four hundred thirty-three".