147161587173 has 4 divisors (see below), whose sum is σ = 196215449568. Its totient is φ = 98107724780.

The previous prime is 147161587127. The next prime is 147161587207. The reversal of 147161587173 is 371785161741.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 147161587173 - 2⁹ = 147161586661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147161587073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24526931193 + ... + 24526931198.

It is an arithmetic number, because the mean of its divisors is an integer number (49053862392).

Almost surely, 2^147161587173 is an apocalyptic number.

It is an amenable number.

147161587173 is a deficient number, since it is larger than the sum of its proper divisors (49053862395).

147161587173 is an equidigital number, since it uses as much as digits as its factorization.

147161587173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49053862394.

The product of its digits is 987840, while the sum is 51.

The spelling of 147161587173 in words is "one hundred forty-seven billion, one hundred sixty-one million, five hundred eighty-seven thousand, one hundred seventy-three".