172340067255 has 32 divisors (see below), whose sum is σ = 293049835200. Its totient is φ = 86186330112.

The previous prime is 172340067239. The next prime is 172340067259. The reversal of 172340067255 is 552760043271.

It is not a de Polignac number, because 172340067255 - 2⁴ = 172340067239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172340067259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1187620 + ... + 1324809.

It is an arithmetic number, because the mean of its divisors is an integer number (9157807350).

Almost surely, 2^172340067255 is an apocalyptic number.

172340067255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

172340067255 is a deficient number, since it is larger than the sum of its proper divisors (120709767945).

172340067255 is a wasteful number, since it uses less digits than its factorization.

172340067255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512723.

The product of its (nonzero) digits is 352800, while the sum is 42.

The spelling of 172340067255 in words is "one hundred seventy-two billion, three hundred forty million, sixty-seven thousand, two hundred fifty-five".