162003445173 has 20 divisors (see below), whose sum is σ = 252527112288. Its totient is φ = 103306543560.

The previous prime is 162003445169. The next prime is 162003445199. The reversal of 162003445173 is 371544300261.

162003445173 is a `hidden beast` number, since 1 + 6 + 200 + 3 + 445 + 1 + 7 + 3 = 666.

It is not a de Polignac number, because 162003445173 - 2² = 162003445169 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162003445573) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 43477323 + ... + 43481048.

Almost surely, 2^162003445173 is an apocalyptic number.

It is an amenable number.

162003445173 is a deficient number, since it is larger than the sum of its proper divisors (90523667115).

162003445173 is an equidigital number, since it uses as much as digits as its factorization.

162003445173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86958406 (or 86958397 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 162003445173 in words is "one hundred sixty-two billion, three million, four hundred forty-five thousand, one hundred seventy-three".