163739066 has 8 divisors (see below), whose sum is σ = 246543264. Its totient is φ = 81557980.

The previous prime is 163739063. The next prime is 163739083. The reversal of 163739066 is 660937361.

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

It is not an unprimeable number, because it can be changed into a prime (163739063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155120 + ... + 156171.

It is an arithmetic number, because the mean of its divisors is an integer number (30817908).

Almost surely, 2^163739066 is an apocalyptic number.

163739066 is a deficient number, since it is larger than the sum of its proper divisors (82804198).

163739066 is a wasteful number, since it uses less digits than its factorization.

163739066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311556.

The product of its (nonzero) digits is 122472, while the sum is 41.

The square root of 163739066 is about 12796.0566582053. The cubic root of 163739066 is about 547.0799135050.

The spelling of 163739066 in words is "one hundred sixty-three million, seven hundred thirty-nine thousand, sixty-six".