6520010166 has 32 divisors (see below), whose sum is σ = 14491612800. Its totient is φ = 2172931560.

The previous prime is 6520010143. The next prime is 6520010183. The reversal of 6520010166 is 6610100256.

It is a happy number.

6520010166 is a `hidden beast` number, since 652 + 0 + 0 + 1 + 0 + 1 + 6 + 6 = 666.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 469381 + ... + 483071.

It is an arithmetic number, because the mean of its divisors is an integer number (452862900).

Almost surely, 2^6520010166 is an apocalyptic number.

6520010166 is an abundant number, since it is smaller than the sum of its proper divisors (7971602634).

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

6520010166 is a wasteful number, since it uses less digits than its factorization.

6520010166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22521 (or 22515 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 6520010166 is about 80746.5799028046. The cubic root of 6520010166 is about 1868.1686978053.

The spelling of 6520010166 in words is "six billion, five hundred twenty million, ten thousand, one hundred sixty-six".