520464511166 has 4 divisors (see below), whose sum is σ = 780696766752. Its totient is φ = 260232255582.

The previous prime is 520464511159. The next prime is 520464511169. The reversal of 520464511166 is 661115464025.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520464511169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130116127790 + ... + 130116127793.

It is an arithmetic number, because the mean of its divisors is an integer number (195174191688).

Almost surely, 2^520464511166 is an apocalyptic number.

520464511166 is a deficient number, since it is larger than the sum of its proper divisors (260232255586).

520464511166 is a wasteful number, since it uses less digits than its factorization.

520464511166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260232255585.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 520464511166 in words is "five hundred twenty billion, four hundred sixty-four million, five hundred eleven thousand, one hundred sixty-six".