166317925708 has 12 divisors (see below), whose sum is σ = 317516040072. Its totient is φ = 75599057120.

The previous prime is 166317925673. The next prime is 166317925747. The reversal of 166317925708 is 807529713661.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1889976385 + ... + 1889976472.

It is an arithmetic number, because the mean of its divisors is an integer number (26459670006).

Almost surely, 2^166317925708 is an apocalyptic number.

It is an amenable number.

166317925708 is a deficient number, since it is larger than the sum of its proper divisors (151198114364).

166317925708 is a wasteful number, since it uses less digits than its factorization.

166317925708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3779952872 (or 3779952870 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 55.

It can be divided in two parts, 166317 and 925708, that added together give a square (1092025 = 1045²).

The spelling of 166317925708 in words is "one hundred sixty-six billion, three hundred seventeen million, nine hundred twenty-five thousand, seven hundred eight".