520164342 has 48 divisors (see below), whose sum is σ = 1180447632. Its totient is φ = 171655200.

The previous prime is 520164319. The next prime is 520164353. The reversal of 520164342 is 243461025.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 43788 + ... + 54384.

It is an arithmetic number, because the mean of its divisors is an integer number (24592659).

Almost surely, 2^520164342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520164342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (590223816).

520164342 is an abundant number, since it is smaller than the sum of its proper divisors (660283290).

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

520164342 is a wasteful number, since it uses less digits than its factorization.

520164342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10715 (or 10703 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 520164342 is about 22807.1116540434. Note that the first 3 decimals coincide. The cubic root of 520164342 is about 804.2298574247.

The spelling of 520164342 in words is "five hundred twenty million, one hundred sixty-four thousand, three hundred forty-two".