520151016 has 128 divisors (see below), whose sum is σ = 1645839360. Its totient is φ = 133056000.

The previous prime is 520150991. The next prime is 520151017. The reversal of 520151016 is 610151025.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 520150983 and 520151001.

It is not an unprimeable number, because it can be changed into a prime (520151017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121716 + ... + 125916.

It is an arithmetic number, because the mean of its divisors is an integer number (12858120).

Almost surely, 2^520151016 is an apocalyptic number.

520151016 is a gapful number since it is divisible by the number (56) 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 520151016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (822919680).

520151016 is an abundant number, since it is smaller than the sum of its proper divisors (1125688344).

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

520151016 is a wasteful number, since it uses less digits than its factorization.

520151016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4295 (or 4291 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 520151016 is about 22806.8195064546. The cubic root of 520151016 is about 804.2229895577. Note that the first 3 decimals are identical.

Subtracting 520151016 from its reverse (610151025), we obtain a palindrome (90000009).

The spelling of 520151016 in words is "five hundred twenty million, one hundred fifty-one thousand, sixteen".