180668378 has 32 divisors (see below), whose sum is σ = 313295040. Its totient is φ = 77276160.

The previous prime is 180668353. The next prime is 180668387. The reversal of 180668378 is 873866081.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64250 + ... + 67002.

It is an arithmetic number, because the mean of its divisors is an integer number (9790470).

Almost surely, 2^180668378 is an apocalyptic number.

180668378 is a deficient number, since it is larger than the sum of its proper divisors (132626662).

180668378 is a wasteful number, since it uses less digits than its factorization.

180668378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2942.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 180668378 is about 13441.2937621347. The cubic root of 180668378 is about 565.3196071999.

The spelling of 180668378 in words is "one hundred eighty million, six hundred sixty-eight thousand, three hundred seventy-eight".