171794520968 has 48 divisors (see below), whose sum is σ = 381774835980. Its totient is φ = 72237040512.

The previous prime is 171794520959. The next prime is 171794520979. The reversal of 171794520968 is 869025497171.

It can be written as a sum of positive squares in 2 ways, for example, as 170997136324 + 797384644 = 413518^2 + 28238^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4113671 + ... + 4155222.

Almost surely, 2^171794520968 is an apocalyptic number.

It is an amenable number.

171794520968 is an abundant number, since it is smaller than the sum of its proper divisors (209980315012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

171794520968 is a wasteful number, since it uses less digits than its factorization.

171794520968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8268966 (or 8268955 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 59.

The spelling of 171794520968 in words is "one hundred seventy-one billion, seven hundred ninety-four million, five hundred twenty thousand, nine hundred sixty-eight".