130166566 has 4 divisors (see below), whose sum is σ = 195249852. Its totient is φ = 65083282.

The previous prime is 130166563. The next prime is 130166581. The reversal of 130166566 is 665661031.

130166566 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 (130166563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32541640 + ... + 32541643.

It is an arithmetic number, because the mean of its divisors is an integer number (48812463).

Almost surely, 2^130166566 is an apocalyptic number.

130166566 is a deficient number, since it is larger than the sum of its proper divisors (65083286).

130166566 is an equidigital number, since it uses as much as digits as its factorization.

130166566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65083285.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 130166566 is about 11409.0563150508. The cubic root of 130166566 is about 506.7959658656.

The spelling of 130166566 in words is "one hundred thirty million, one hundred sixty-six thousand, five hundred sixty-six".