171742670463 has 16 divisors (see below), whose sum is σ = 281834126336. Its totient is φ = 90589540320.

The previous prime is 171742670447. The next prime is 171742670573. The reversal of 171742670463 is 364076247171.

It is not a de Polignac number, because 171742670463 - 2⁴ = 171742670447 is a prime.

It is a super-2 number, since 2×171742670463² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171742670963) 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, 314546743 + ... + 314547288.

It is an arithmetic number, because the mean of its divisors is an integer number (17614632896).

Almost surely, 2^171742670463 is an apocalyptic number.

171742670463 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

171742670463 is a deficient number, since it is larger than the sum of its proper divisors (110091455873).

171742670463 is a wasteful number, since it uses less digits than its factorization.

171742670463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629094054.

The product of its (nonzero) digits is 1185408, while the sum is 48.

The spelling of 171742670463 in words is "one hundred seventy-one billion, seven hundred forty-two million, six hundred seventy thousand, four hundred sixty-three".