171792075664 has 80 divisors (see below), whose sum is σ = 379241173440. Its totient is φ = 74688929280.

The previous prime is 171792075661. The next prime is 171792075671. The reversal of 171792075664 is 466570297171.

It is not an unprimeable number, because it can be changed into a prime (171792075661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160642 + ... + 607774.

It is an arithmetic number, because the mean of its divisors is an integer number (4740514668).

Almost surely, 2^171792075664 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 171792075664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189620586720).

171792075664 is an abundant number, since it is smaller than the sum of its proper divisors (207449097776).

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

171792075664 is a wasteful number, since it uses less digits than its factorization.

171792075664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447248 (or 447242 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 55.

The spelling of 171792075664 in words is "one hundred seventy-one billion, seven hundred ninety-two million, seventy-five thousand, six hundred sixty-four".