163566452 has 24 divisors (see below), whose sum is σ = 346377024. Its totient is φ = 65976192.

The previous prime is 163566449. The next prime is 163566461. The reversal of 163566452 is 254665361.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171338 + ... + 172289.

It is an arithmetic number, because the mean of its divisors is an integer number (14432376).

Almost surely, 2^163566452 is an apocalyptic number.

It is an amenable number.

163566452 is an abundant number, since it is smaller than the sum of its proper divisors (182810572).

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

163566452 is a wasteful number, since it uses less digits than its factorization.

163566452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343655 (or 343653 counting only the distinct ones).

The product of its digits is 129600, while the sum is 38.

The square root of 163566452 is about 12789.3100673961. The cubic root of 163566452 is about 546.8876017210.

The spelling of 163566452 in words is "one hundred sixty-three million, five hundred sixty-six thousand, four hundred fifty-two".