130166446 has 8 divisors (see below), whose sum is σ = 197924544. Its totient is φ = 64191600.

The previous prime is 130166441. The next prime is 130166507. The reversal of 130166446 is 644661031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130166441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445630 + ... + 445921.

It is an arithmetic number, because the mean of its divisors is an integer number (24740568).

Almost surely, 2^130166446 is an apocalyptic number.

130166446 is a deficient number, since it is larger than the sum of its proper divisors (67758098).

130166446 is an equidigital number, since it uses as much as digits as its factorization.

130166446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891626.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 130166446 is about 11409.0510560695. The cubic root of 130166446 is about 506.7958101279.

The spelling of 130166446 in words is "one hundred thirty million, one hundred sixty-six thousand, four hundred forty-six".