171064677090 has 64 divisors (see below), whose sum is σ = 424313303040. Its totient is φ = 44092144320.

The previous prime is 171064677089. The next prime is 171064677131. The reversal of 171064677090 is 90776460171.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 657901 + ... + 880319.

It is an arithmetic number, because the mean of its divisors is an integer number (6629895360).

Almost surely, 2^171064677090 is an apocalyptic number.

171064677090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 171064677090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212156651520).

171064677090 is an abundant number, since it is smaller than the sum of its proper divisors (253248625950).

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

171064677090 is a wasteful number, since it uses less digits than its factorization.

171064677090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223287.

The product of its (nonzero) digits is 444528, while the sum is 48.

The spelling of 171064677090 in words is "one hundred seventy-one billion, sixty-four million, six hundred seventy-seven thousand, ninety".