171264366352420 has 48 divisors (see below), whose sum is σ = 399001112395200. Its totient is φ = 61222392897920.

The previous prime is 171264366352381. The next prime is 171264366352433. The reversal of 171264366352420 is 24253663462171.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6597227635 + ... + 6597253594.

It is an arithmetic number, because the mean of its divisors is an integer number (8312523174900).

Almost surely, 2^{171264366352420} is an apocalyptic number.

171264366352420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

171264366352420 is an abundant number, since it is smaller than the sum of its proper divisors (227736746042780).

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

171264366352420 is a wasteful number, since it uses less digits than its factorization.

171264366352420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13194481308 (or 13194481306 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 52.

The spelling of 171264366352420 in words is "one hundred seventy-one trillion, two hundred sixty-four billion, three hundred sixty-six million, three hundred fifty-two thousand, four hundred twenty".