171338533724652 has 48 divisors (see below), whose sum is σ = 467528402111232. Its totient is φ = 47815404759360.

The previous prime is 171338533724549. The next prime is 171338533724653. The reversal of 171338533724652 is 256427335833171.

It is a happy number.

It is a super-2 number, since 2×171338533724652² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (171338533724653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23717955099 + ... + 23717962322.

It is an arithmetic number, because the mean of its divisors is an integer number (9740175043984).

Almost surely, 2^{171338533724652} is an apocalyptic number.

171338533724652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

171338533724652 is an abundant number, since it is smaller than the sum of its proper divisors (296189868386580).

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

171338533724652 is a wasteful number, since it uses less digits than its factorization.

171338533724652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47435917478 (or 47435917476 counting only the distinct ones).

The product of its digits is 76204800, while the sum is 60.

The spelling of 171338533724652 in words is "one hundred seventy-one trillion, three hundred thirty-eight billion, five hundred thirty-three million, seven hundred twenty-four thousand, six hundred fifty-two".