163506332 has 36 divisors (see below), whose sum is σ = 315609000. Its totient is φ = 74062560.

The previous prime is 163506283. The next prime is 163506337. The reversal of 163506332 is 233605361.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 163506295 and 163506304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163506337) 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, 241178 + ... + 241854.

Almost surely, 2^163506332 is an apocalyptic number.

It is an amenable number.

163506332 is a deficient number, since it is larger than the sum of its proper divisors (152102668).

163506332 is a wasteful number, since it uses less digits than its factorization.

163506332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202 (or 1189 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 163506332 is about 12786.9594509406. The cubic root of 163506332 is about 546.8205893818.

The spelling of 163506332 in words is "one hundred sixty-three million, five hundred six thousand, three hundred thirty-two".