204148168847 has 4 divisors (see below), whose sum is σ = 233312192976. Its totient is φ = 174984144720.

The previous prime is 204148168813. The next prime is 204148168891. The reversal of 204148168847 is 748861841402.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 204148168847 - 2²⁰ = 204147120271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204148168747) 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, 14582012054 + ... + 14582012067.

It is an arithmetic number, because the mean of its divisors is an integer number (58328048244).

Almost surely, 2^204148168847 is an apocalyptic number.

204148168847 is a deficient number, since it is larger than the sum of its proper divisors (29164024129).

204148168847 is an equidigital number, since it uses as much as digits as its factorization.

204148168847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29164024128.

The product of its (nonzero) digits is 2752512, while the sum is 53.

The spelling of 204148168847 in words is "two hundred four billion, one hundred forty-eight million, one hundred sixty-eight thousand, eight hundred forty-seven".