5180520066 has 16 divisors (see below), whose sum is σ = 10364179584. Its totient is φ = 1726316784.

The previous prime is 5180520061. The next prime is 5180520071. The reversal of 5180520066 is 6600250815.

It is an interprime number because it is at equal distance from previous prime (5180520061) and next prime (5180520071).

It is not an unprimeable number, because it can be changed into a prime (5180520061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109081 + ... + 149196.

It is an arithmetic number, because the mean of its divisors is an integer number (647761224).

Almost surely, 2^5180520066 is an apocalyptic number.

5180520066 is an abundant number, since it is smaller than the sum of its proper divisors (5183659518).

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

5180520066 is a wasteful number, since it uses less digits than its factorization.

5180520066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261625.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 5180520066 is about 71975.8297347102. The cubic root of 5180520066 is about 1730.3121343089.

The spelling of 5180520066 in words is "five billion, one hundred eighty million, five hundred twenty thousand, sixty-six".