520161416 has 8 divisors (see below), whose sum is σ = 975302670. Its totient is φ = 260080704.

The previous prime is 520161409. The next prime is 520161419. The reversal of 520161416 is 614161025.

It can be written as a sum of positive squares in only one way, i.e., 320052100 + 200109316 = 17890^2 + 14146^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (520161419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32510081 + ... + 32510096.

Almost surely, 2^520161416 is an apocalyptic number.

It is an amenable number.

520161416 is a deficient number, since it is larger than the sum of its proper divisors (455141254).

520161416 is a wasteful number, since it uses less digits than its factorization.

520161416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65020183 (or 65020179 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 520161416 is about 22807.0475072948. The cubic root of 520161416 is about 804.2283494520.

The spelling of 520161416 in words is "five hundred twenty million, one hundred sixty-one thousand, four hundred sixteen".