163604226 has 16 divisors (see below), whose sum is σ = 346456224. Its totient is φ = 51326784.

The previous prime is 163604219. The next prime is 163604239. The reversal of 163604226 is 622406361.

It is a junction number, because it is equal to n+sod(n) for n = 163604193 and 163604202.

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, 801880 + ... + 802083.

It is an arithmetic number, because the mean of its divisors is an integer number (21653514).

Almost surely, 2^163604226 is an apocalyptic number.

163604226 is an abundant number, since it is smaller than the sum of its proper divisors (182851998).

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

163604226 is a wasteful number, since it uses less digits than its factorization.

163604226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603985.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 163604226 is about 12790.7867623536. The cubic root of 163604226 is about 546.9296978476.

The spelling of 163604226 in words is "one hundred sixty-three million, six hundred four thousand, two hundred twenty-six".