171364655712 has 48 divisors (see below), whose sum is σ = 451624444992. Its totient is φ = 56893968000.

The previous prime is 171364655687. The next prime is 171364655719. The reversal of 171364655712 is 217556463171.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171364655719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3531778 + ... + 3579969.

It is an arithmetic number, because the mean of its divisors is an integer number (9408842604).

Almost surely, 2^171364655712 is an apocalyptic number.

171364655712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

171364655712 is an abundant number, since it is smaller than the sum of its proper divisors (280259789280).

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

171364655712 is a wasteful number, since it uses less digits than its factorization.

171364655712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7112011 (or 7112003 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 48.

The spelling of 171364655712 in words is "one hundred seventy-one billion, three hundred sixty-four million, six hundred fifty-five thousand, seven hundred twelve".