172274062848 has 160 divisors (see below), whose sum is σ = 469526948352. Its totient is φ = 56110080000.

The previous prime is 172274062847. The next prime is 172274062859. The reversal of 172274062848 is 848260472271.

It is a super-2 number, since 2×172274062848² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 172274062848.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172274062847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20429193 + ... + 20437623.

Almost surely, 2^172274062848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172274062848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234763474176).

172274062848 is an abundant number, since it is smaller than the sum of its proper divisors (297252885504).

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

172274062848 is an equidigital number, since it uses as much as digits as its factorization.

172274062848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8756 (or 8740 counting only the distinct ones).

The product of its (nonzero) digits is 2408448, while the sum is 51.

The spelling of 172274062848 in words is "one hundred seventy-two billion, two hundred seventy-four million, sixty-two thousand, eight hundred forty-eight".