163073156 has 24 divisors (see below), whose sum is σ = 293471640. Its totient is φ = 79252992.

The previous prime is 163073153. The next prime is 163073189. The reversal of 163073156 is 651370361.

It can be written as a sum of positive squares in 4 ways, for example, as 113848900 + 49224256 = 10670^2 + 7016^2 .

It is not an unprimeable number, because it can be changed into a prime (163073153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19580 + ... + 26636.

It is an arithmetic number, because the mean of its divisors is an integer number (12227985).

Almost surely, 2^163073156 is an apocalyptic number.

It is an amenable number.

163073156 is a deficient number, since it is larger than the sum of its proper divisors (130398484).

163073156 is a wasteful number, since it uses less digits than its factorization.

163073156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7223 (or 7221 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 163073156 is about 12770.0100234886. The cubic root of 163073156 is about 546.3372665241.

The spelling of 163073156 in words is "one hundred sixty-three million, seventy-three thousand, one hundred fifty-six".