171016555086 has 48 divisors (see below), whose sum is σ = 422511498864. Its totient is φ = 49525155072.

The previous prime is 171016555057. The next prime is 171016555111. The reversal of 171016555086 is 680555610171.

It is a happy number.

171016555086 is a `hidden beast` number, since 1 + 7 + 1 + 0 + 16 + 5 + 550 + 86 = 666.

It is a super-2 number, since 2×171016555086² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21491316 + ... + 21499271.

It is an arithmetic number, because the mean of its divisors is an integer number (8802322893).

Almost surely, 2^171016555086 is an apocalyptic number.

171016555086 is an abundant number, since it is smaller than the sum of its proper divisors (251494943778).

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

171016555086 is a wasteful number, since it uses less digits than its factorization.

171016555086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42990625 (or 42990622 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 45.

The spelling of 171016555086 in words is "one hundred seventy-one billion, sixteen million, five hundred fifty-five thousand, eighty-six".