171254648 has 16 divisors (see below), whose sum is σ = 329781480. Its totient is φ = 83312928.

The previous prime is 171254641. The next prime is 171254653. The reversal of 171254648 is 846452171.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171254641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288986 + ... + 289577.

Almost surely, 2^171254648 is an apocalyptic number.

It is an amenable number.

171254648 is a deficient number, since it is larger than the sum of its proper divisors (158526832).

171254648 is a wasteful number, since it uses less digits than its factorization.

171254648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578606 (or 578602 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The square root of 171254648 is about 13086.4299180487. The cubic root of 171254648 is about 555.3252947875.

The spelling of 171254648 in words is "one hundred seventy-one million, two hundred fifty-four thousand, six hundred forty-eight".