166107782 has 8 divisors (see below), whose sum is σ = 263818296. Its totient is φ = 78168352.

The previous prime is 166107779. The next prime is 166107793. The reversal of 166107782 is 287701661.

166107782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2442728 + ... + 2442795.

It is an arithmetic number, because the mean of its divisors is an integer number (32977287).

Almost surely, 2^166107782 is an apocalyptic number.

166107782 is a deficient number, since it is larger than the sum of its proper divisors (97710514).

166107782 is a wasteful number, since it uses less digits than its factorization.

166107782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4885542.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 166107782 is about 12888.2808007895. The cubic root of 166107782 is about 549.7053871195.

The spelling of 166107782 in words is "one hundred sixty-six million, one hundred seven thousand, seven hundred eighty-two".