163426166 has 8 divisors (see below), whose sum is σ = 245522424. Its totient is φ = 81585360.

The previous prime is 163426147. The next prime is 163426171. The reversal of 163426166 is 661624361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×163426166² = 53416223466919112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62255 + ... + 64826.

It is an arithmetic number, because the mean of its divisors is an integer number (30690303).

Almost surely, 2^163426166 is an apocalyptic number.

163426166 is a deficient number, since it is larger than the sum of its proper divisors (82096258).

163426166 is a wasteful number, since it uses less digits than its factorization.

163426166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127726.

The product of its digits is 31104, while the sum is 35.

The square root of 163426166 is about 12783.8243886562. The cubic root of 163426166 is about 546.7312073478.

The spelling of 163426166 in words is "one hundred sixty-three million, four hundred twenty-six thousand, one hundred sixty-six".