163012706 has 4 divisors (see below), whose sum is σ = 244519062. Its totient is φ = 81506352.

The previous prime is 163012697. The next prime is 163012757. The reversal of 163012706 is 607210361.

163012706 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 607210361 = 31 ⋅19587431.

It can be written as a sum of positive squares in only one way, i.e., 157276681 + 5736025 = 12541^2 + 2395^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40753175 + ... + 40753178.

Almost surely, 2^163012706 is an apocalyptic number.

163012706 is a deficient number, since it is larger than the sum of its proper divisors (81506356).

163012706 is an equidigital number, since it uses as much as digits as its factorization.

163012706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81506355.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 163012706 is about 12767.6429304708. The cubic root of 163012706 is about 546.2697504671.

The spelling of 163012706 in words is "one hundred sixty-three million, twelve thousand, seven hundred six".