172275748518 has 16 divisors (see below), whose sum is σ = 344583097200. Its totient is φ = 57419982816.

The previous prime is 172275748511. The next prime is 172275748531. The reversal of 172275748518 is 815847572271.

172275748518 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172275748511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1245505 + ... + 1376892.

It is an arithmetic number, because the mean of its divisors is an integer number (21536443575).

Almost surely, 2^172275748518 is an apocalyptic number.

172275748518 is an abundant number, since it is smaller than the sum of its proper divisors (172307348682).

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

172275748518 is a wasteful number, since it uses less digits than its factorization.

172275748518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2633351.

The product of its digits is 8780800, while the sum is 57.

The spelling of 172275748518 in words is "one hundred seventy-two billion, two hundred seventy-five million, seven hundred forty-eight thousand, five hundred eighteen".