171892652132 has 12 divisors (see below), whose sum is σ = 300817124076. Its totient is φ = 85944902400.

The previous prime is 171892652117. The next prime is 171892652161. The reversal of 171892652132 is 231256298171.

It can be written as a sum of positive squares in 2 ways, for example, as 146479191076 + 25413461056 = 382726^2 + 159416^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56213 + ... + 589020.

It is an arithmetic number, because the mean of its divisors is an integer number (25068093673).

Almost surely, 2^171892652132 is an apocalyptic number.

It is an amenable number.

171892652132 is a deficient number, since it is larger than the sum of its proper divisors (128924471944).

171892652132 is a wasteful number, since it uses less digits than its factorization.

171892652132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711838 (or 711836 counting only the distinct ones).

The product of its digits is 362880, while the sum is 47.

The spelling of 171892652132 in words is "one hundred seventy-one billion, eight hundred ninety-two million, six hundred fifty-two thousand, one hundred thirty-two".