163712146 has 16 divisors (see below), whose sum is σ = 265316184. Its totient is φ = 75314304.

The previous prime is 163712119. The next prime is 163712179. The reversal of 163712146 is 641217361.

It can be written as a sum of positive squares in 4 ways, for example, as 34093921 + 129618225 = 5839^2 + 11385^2 .

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, 1921 + ... + 18196.

Almost surely, 2^163712146 is an apocalyptic number.

163712146 is a deficient number, since it is larger than the sum of its proper divisors (101604038).

163712146 is a wasteful number, since it uses less digits than its factorization.

163712146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20445.

The product of its digits is 6048, while the sum is 31.

The square root of 163712146 is about 12795.0047284087. The cubic root of 163712146 is about 547.0499304375.

The spelling of 163712146 in words is "one hundred sixty-three million, seven hundred twelve thousand, one hundred forty-six".