171005667425 has 24 divisors (see below), whose sum is σ = 214285305696. Its totient is φ = 135361175040.

The previous prime is 171005667409. The next prime is 171005667451. The reversal of 171005667425 is 524766500171.

171005667425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 171005667425 - 2⁴ = 171005667409 is a prime.

It is a super-2 number, since 2×171005667425² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 16395062 + ... + 16405488.

It is an arithmetic number, because the mean of its divisors is an integer number (8928554404).

Almost surely, 2^171005667425 is an apocalyptic number.

It is an amenable number.

171005667425 is a deficient number, since it is larger than the sum of its proper divisors (43279638271).

171005667425 is a wasteful number, since it uses less digits than its factorization.

171005667425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17297 (or 17292 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 44.

The spelling of 171005667425 in words is "one hundred seventy-one billion, five million, six hundred sixty-seven thousand, four hundred twenty-five".