130666446 has 24 divisors (see below), whose sum is σ = 293597304. Its totient is φ = 43555320.

The previous prime is 130666429. The next prime is 130666447. The reversal of 130666446 is 644666031.

It is a super-2 number, since 2×130666446² = 34147440220541832, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 130666446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130666447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133945 + ... + 134916.

It is an arithmetic number, because the mean of its divisors is an integer number (12233221).

Almost surely, 2^130666446 is an apocalyptic number.

130666446 is an abundant number, since it is smaller than the sum of its proper divisors (162930858).

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

130666446 is an equidigital number, since it uses as much as digits as its factorization.

130666446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268878 (or 268866 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 130666446 is about 11430.9424808281. The cubic root of 130666446 is about 507.4438884148.

The spelling of 130666446 in words is "one hundred thirty million, six hundred sixty-six thousand, four hundred forty-six".