180930656 has 12 divisors (see below), whose sum is σ = 356207292. Its totient is φ = 90465312.

The previous prime is 180930653. The next prime is 180930661. The reversal of 180930656 is 656039081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180930653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2827010 + ... + 2827073.

It is an arithmetic number, because the mean of its divisors is an integer number (29683941).

Almost surely, 2^180930656 is an apocalyptic number.

180930656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

180930656 is a deficient number, since it is larger than the sum of its proper divisors (175276636).

180930656 is an equidigital number, since it uses as much as digits as its factorization.

180930656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5654093 (or 5654085 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 180930656 is about 13451.0466507257. The cubic root of 180930656 is about 565.5930348775.

The spelling of 180930656 in words is "one hundred eighty million, nine hundred thirty thousand, six hundred fifty-six".