172193934952 has 128 divisors (see below), whose sum is σ = 372301090560. Its totient is φ = 74037934080.

The previous prime is 172193934947. The next prime is 172193934959. The reversal of 172193934952 is 259439391271.

172193934952 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 172193934893 and 172193934902.

It is not an unprimeable number, because it can be changed into a prime (172193934959) 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 31 ways as a sum of consecutive naturals, for example, 78162283 + ... + 78164485.

It is an arithmetic number, because the mean of its divisors is an integer number (2908602270).

Almost surely, 2^172193934952 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 172193934952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186150545280).

172193934952 is an abundant number, since it is smaller than the sum of its proper divisors (200107155608).

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

172193934952 is a wasteful number, since it uses less digits than its factorization.

172193934952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3083 (or 3079 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 55.

The spelling of 172193934952 in words is "one hundred seventy-two billion, one hundred ninety-three million, nine hundred thirty-four thousand, nine hundred fifty-two".