171048149428 has 12 divisors (see below), whose sum is σ = 322359974020. Its totient is φ = 78945299712.

The previous prime is 171048149423. The next prime is 171048149473. The reversal of 171048149428 is 824941840171.

It is a happy number.

171048149428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 77633562384 + 93414587044 = 278628^2 + 305638^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171048149423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1644693693 + ... + 1644693796.

Almost surely, 2^171048149428 is an apocalyptic number.

It is an amenable number.

171048149428 is a deficient number, since it is larger than the sum of its proper divisors (151311824592).

171048149428 is a wasteful number, since it uses less digits than its factorization.

171048149428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3289387506 (or 3289387504 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 49.

Adding to 171048149428 its reverse (824941840171), we get a palindrome (995989989599).

The spelling of 171048149428 in words is "one hundred seventy-one billion, forty-eight million, one hundred forty-nine thousand, four hundred twenty-eight".