163305166 has 16 divisors (see below), whose sum is σ = 253347840. Its totient is φ = 78900120.

The previous prime is 163305089. The next prime is 163305169. The reversal of 163305166 is 661503361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163305169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3570 + ... + 18421.

It is an arithmetic number, because the mean of its divisors is an integer number (15834240).

Almost surely, 2^163305166 is an apocalyptic number.

163305166 is a deficient number, since it is larger than the sum of its proper divisors (90042674).

163305166 is a wasteful number, since it uses less digits than its factorization.

163305166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22119.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 163305166 is about 12779.0909692356. The cubic root of 163305166 is about 546.5962415888.

The spelling of 163305166 in words is "one hundred sixty-three million, three hundred five thousand, one hundred sixty-six".