166780104 has 32 divisors (see below), whose sum is σ = 419720640. Its totient is φ = 55224000.

The previous prime is 166780069. The next prime is 166780121. The reversal of 166780104 is 401087661.

It is a happy number.

166780104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19387 + ... + 26634.

It is an arithmetic number, because the mean of its divisors is an integer number (13116270).

Almost surely, 2^166780104 is an apocalyptic number.

It is an amenable number.

166780104 is an abundant number, since it is smaller than the sum of its proper divisors (252940536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166780104 is a wasteful number, since it uses less digits than its factorization.

166780104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46181 (or 46177 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 166780104 is about 12914.3371490758. The cubic root of 166780104 is about 550.4460337743.

The spelling of 166780104 in words is "one hundred sixty-six million, seven hundred eighty thousand, one hundred four".