171006553444 has 24 divisors (see below), whose sum is σ = 300057135840. Its totient is φ = 85276099584.

The previous prime is 171006553409. The next prime is 171006553447. The reversal of 171006553444 is 444355600171.

171006553444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×171006553444² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 171006553397 and 171006553406.

It is not an unprimeable number, because it can be changed into a prime (171006553447) 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, 4736292 + ... + 4772260.

It is an arithmetic number, because the mean of its divisors is an integer number (12502380660).

Almost surely, 2^171006553444 is an apocalyptic number.

It is an amenable number.

171006553444 is a deficient number, since it is larger than the sum of its proper divisors (129050582396).

171006553444 is a wasteful number, since it uses less digits than its factorization.

171006553444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39099 (or 39097 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 171006553444 in words is "one hundred seventy-one billion, six million, five hundred fifty-three thousand, four hundred forty-four".