161724580048 has 10 divisors (see below), whose sum is σ = 313341373874. Its totient is φ = 80862290016.

The previous prime is 161724580021. The next prime is 161724580051. The reversal of 161724580048 is 840085427161.

It can be written as a sum of positive squares in only one way, i.e., 146465413264 + 15259166784 = 382708^2 + 123528^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5053893111 + ... + 5053893142.

Almost surely, 2^161724580048 is an apocalyptic number.

It is an amenable number.

161724580048 is a deficient number, since it is larger than the sum of its proper divisors (151616793826).

161724580048 is a wasteful number, since it uses less digits than its factorization.

161724580048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10107786261 (or 10107786255 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 46.

The spelling of 161724580048 in words is "one hundred sixty-one billion, seven hundred twenty-four million, five hundred eighty thousand, forty-eight".