171996548 has 12 divisors (see below), whose sum is σ = 318699612. Its totient is φ = 80939520.

The previous prime is 171996529. The next prime is 171996611. The reversal of 171996548 is 845699171.

It can be written as a sum of positive squares in 2 ways, for example, as 144769024 + 27227524 = 12032^2 + 5218^2 .

It is a junction number, because it is equal to n+sod(n) for n = 171996496 and 171996505.

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, 1264613 + ... + 1264748.

It is an arithmetic number, because the mean of its divisors is an integer number (26558301).

Almost surely, 2^171996548 is an apocalyptic number.

It is an amenable number.

171996548 is a deficient number, since it is larger than the sum of its proper divisors (146703064).

171996548 is a wasteful number, since it uses less digits than its factorization.

171996548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2529382 (or 2529380 counting only the distinct ones).

The product of its digits is 544320, while the sum is 50.

The square root of 171996548 is about 13114.7454416775. The cubic root of 171996548 is about 556.1260561621.

The spelling of 171996548 in words is "one hundred seventy-one million, nine hundred ninety-six thousand, five hundred forty-eight".