172283232081 has 8 divisors (see below), whose sum is σ = 230877022464. Its totient is φ = 114272464880.

The previous prime is 172283232067. The next prime is 172283232131. The reversal of 172283232081 is 180232382271.

172283232081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 172283232081 - 2¹⁷ = 172283101009 is a prime.

It is a super-2 number, since 2×172283232081² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (172283232001) 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, 145755105 + ... + 145756286.

It is an arithmetic number, because the mean of its divisors is an integer number (28859627808).

Almost surely, 2^172283232081 is an apocalyptic number.

It is an amenable number.

172283232081 is a deficient number, since it is larger than the sum of its proper divisors (58593790383).

172283232081 is a wasteful number, since it uses less digits than its factorization.

172283232081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291511591.

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 172283232081 in words is "one hundred seventy-two billion, two hundred eighty-three million, two hundred thirty-two thousand, eighty-one".