180669130 has 16 divisors (see below), whose sum is σ = 336418920. Its totient is φ = 69775552.

The previous prime is 180669109. The next prime is 180669169. The reversal of 180669130 is 31966081.

It can be written as a sum of positive squares in 4 ways, for example, as 93489561 + 87179569 = 9669^2 + 9337^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311209 + ... + 311788.

Almost surely, 2^180669130 is an apocalyptic number.

180669130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

180669130 is a deficient number, since it is larger than the sum of its proper divisors (155749790).

180669130 is a wasteful number, since it uses less digits than its factorization.

180669130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623033.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 180669130 is about 13441.3217356032. The cubic root of 180669130 is about 565.3203915463.

The spelling of 180669130 in words is "one hundred eighty million, six hundred sixty-nine thousand, one hundred thirty".