163406836 has 24 divisors (see below), whose sum is σ = 292576256. Its totient is φ = 79833600.

The previous prime is 163406819. The next prime is 163406849. The reversal of 163406836 is 638604361.

It is a junction number, because it is equal to n+sod(n) for n = 163406795 and 163406804.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 31636 + ... + 36436.

Almost surely, 2^163406836 is an apocalyptic number.

It is an amenable number.

163406836 is a deficient number, since it is larger than the sum of its proper divisors (129169420).

163406836 is a wasteful number, since it uses less digits than its factorization.

163406836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4999 (or 4997 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 163406836 is about 12783.0683327595. The cubic root of 163406836 is about 546.7096507611.

The spelling of 163406836 in words is "one hundred sixty-three million, four hundred six thousand, eight hundred thirty-six".