163073146 has 16 divisors (see below), whose sum is σ = 259242984. Its totient is φ = 76667904.

The previous prime is 163073111. The next prime is 163073153. The reversal of 163073146 is 641370361.

163073146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 142922025 + 20151121 = 11955^2 + 4489^2 .

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, 56146 + ... + 58978.

Almost surely, 2^163073146 is an apocalyptic number.

163073146 is a deficient number, since it is larger than the sum of its proper divisors (96169838).

163073146 is a wasteful number, since it uses less digits than its factorization.

163073146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4545.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 163073146 is about 12770.0096319463. The cubic root of 163073146 is about 546.3372553565.

The spelling of 163073146 in words is "one hundred sixty-three million, seventy-three thousand, one hundred forty-six".