34171106520 has 128 divisors (see below), whose sum is σ = 103481784000. Its totient is φ = 9026574336.

The previous prime is 34171106507. The next prime is 34171106521. The reversal of 34171106520 is 2560117143.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34171106521) 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 31 ways as a sum of consecutive naturals, for example, 6572562 + ... + 6577758.

Almost surely, 2^34171106520 is an apocalyptic number.

34171106520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34171106520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51740892000).

34171106520 is an abundant number, since it is smaller than the sum of its proper divisors (69310677480).

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

34171106520 is a wasteful number, since it uses less digits than its factorization.

34171106520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5717 (or 5713 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The spelling of 34171106520 in words is "thirty-four billion, one hundred seventy-one million, one hundred six thousand, five hundred twenty".