520161006 has 8 divisors (see below), whose sum is σ = 1040322024. Its totient is φ = 173387000.

The previous prime is 520161001. The next prime is 520161013. The reversal of 520161006 is 600161025.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

520161006 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520161001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43346745 + ... + 43346756.

It is an arithmetic number, because the mean of its divisors is an integer number (130040253).

Almost surely, 2^520161006 is an apocalyptic number.

520161006 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

520161006 is a wasteful number, since it uses less digits than its factorization.

520161006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86693506.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 520161006 is about 22807.0385188433. The cubic root of 520161006 is about 804.2281381498.

The spelling of 520161006 in words is "five hundred twenty million, one hundred sixty-one thousand, six".