130686066 has 96 divisors (see below), whose sum is σ = 345446400. Its totient is φ = 34875360.

The previous prime is 130686053. The next prime is 130686067. The reversal of 130686066 is 660686031.

It is a self number, because there is not a number n which added to its sum of digits gives 130686066.

It is not an unprimeable number, because it can be changed into a prime (130686067) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 188781 + ... + 189471.

It is an arithmetic number, because the mean of its divisors is an integer number (3598400).

Almost surely, 2^130686066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130686066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172723200).

130686066 is an abundant number, since it is smaller than the sum of its proper divisors (214760334).

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

130686066 is a wasteful number, since it uses less digits than its factorization.

130686066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804 (or 801 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 130686066 is about 11431.8006455676. The cubic root of 130686066 is about 507.4692852710.

The spelling of 130686066 in words is "one hundred thirty million, six hundred eighty-six thousand, sixty-six".