163505052 has 36 divisors (see below), whose sum is σ = 414162840. Its totient is φ = 54388512.

The previous prime is 163505047. The next prime is 163505059. The reversal of 163505052 is 250505361.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163505059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13863 + ... + 22785.

Almost surely, 2^163505052 is an apocalyptic number.

163505052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

163505052 is an abundant number, since it is smaller than the sum of its proper divisors (250657788).

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

163505052 is a wasteful number, since it uses less digits than its factorization.

163505052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9442 (or 9437 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 163505052 is about 12786.9093998511. The cubic root of 163505052 is about 546.8191624601.

The spelling of 163505052 in words is "one hundred sixty-three million, five hundred five thousand, fifty-two".