172044140361 has 8 divisors (see below), whose sum is σ = 233280190560. Its totient is φ = 112752091872.

The previous prime is 172044140357. The next prime is 172044140363. The reversal of 172044140361 is 163041440271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 172044140361 - 2² = 172044140357 is a prime.

It is not an unprimeable number, because it can be changed into a prime (172044140363) 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 7 ways as a sum of consecutive naturals, for example, 486000220 + ... + 486000573.

It is an arithmetic number, because the mean of its divisors is an integer number (29160023820).

Almost surely, 2^172044140361 is an apocalyptic number.

It is an amenable number.

172044140361 is a deficient number, since it is larger than the sum of its proper divisors (61236050199).

172044140361 is an equidigital number, since it uses as much as digits as its factorization.

172044140361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972000855.

The product of its (nonzero) digits is 16128, while the sum is 33.

The spelling of 172044140361 in words is "one hundred seventy-two billion, forty-four million, one hundred forty thousand, three hundred sixty-one".