171268629864 has 32 divisors (see below), whose sum is σ = 446787731520. Its totient is φ = 54607389056.

The previous prime is 171268629823. The next prime is 171268629881. The reversal of 171268629864 is 468926862171.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 171268629798 and 171268629807.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155134077 + ... + 155135180.

It is an arithmetic number, because the mean of its divisors is an integer number (13962116610).

Almost surely, 2^171268629864 is an apocalyptic number.

It is an amenable number.

171268629864 is an abundant number, since it is smaller than the sum of its proper divisors (275519101656).

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

171268629864 is a wasteful number, since it uses less digits than its factorization.

171268629864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310269289 (or 310269285 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 60.

The spelling of 171268629864 in words is "one hundred seventy-one billion, two hundred sixty-eight million, six hundred twenty-nine thousand, eight hundred sixty-four".