171159949534 has 16 divisors (see below), whose sum is σ = 301347247968. Its totient is φ = 71371716192.

The previous prime is 171159949501. The next prime is 171159949567. The reversal of 171159949534 is 435949951171.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (171159949501) and next prime (171159949567).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165211789 + ... + 165212824.

It is an arithmetic number, because the mean of its divisors is an integer number (18834202998).

Almost surely, 2^171159949534 is an apocalyptic number.

171159949534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

171159949534 is a deficient number, since it is larger than the sum of its proper divisors (130187298434).

171159949534 is a wasteful number, since it uses less digits than its factorization.

171159949534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330424659.

The product of its digits is 6123600, while the sum is 58.

It can be divided in two parts, 17115 and 9949534, that added together give a square (9966649 = 3157²).

The spelling of 171159949534 in words is "one hundred seventy-one billion, one hundred fifty-nine million, nine hundred forty-nine thousand, five hundred thirty-four".