172448078618148 has 24 divisors (see below), whose sum is σ = 402927798083328. Its totient is φ = 57404271733536.

The previous prime is 172448078618141. The next prime is 172448078618161. The reversal of 172448078618148 is 841816870844271.

It is not an unprimeable number, because it can be changed into a prime (172448078618141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9802633236 + ... + 9802650827.

It is an arithmetic number, because the mean of its divisors is an integer number (16788658253472).

Almost surely, 2^{172448078618148} is an apocalyptic number.

It is an amenable number.

172448078618148 is an abundant number, since it is smaller than the sum of its proper divisors (230479719465180).

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

172448078618148 is a wasteful number, since it uses less digits than its factorization.

172448078618148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19605284803 (or 19605284801 counting only the distinct ones).

The product of its (nonzero) digits is 154140672, while the sum is 69.

The spelling of 172448078618148 in words is "one hundred seventy-two trillion, four hundred forty-eight billion, seventy-eight million, six hundred eighteen thousand, one hundred forty-eight".