385148166 has 16 divisors (see below), whose sum is σ = 829550064. Its totient is φ = 118507104.

The previous prime is 385148143. The next prime is 385148171. The reversal of 385148166 is 661841583.

It is a congruent number.

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, 2468821 + ... + 2468976.

It is an arithmetic number, because the mean of its divisors is an integer number (51846879).

Almost surely, 2^385148166 is an apocalyptic number.

385148166 is an abundant number, since it is smaller than the sum of its proper divisors (444401898).

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

385148166 is a wasteful number, since it uses less digits than its factorization.

385148166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4937815.

The product of its digits is 138240, while the sum is 42.

The square root of 385148166 is about 19625.1921264481. The cubic root of 385148166 is about 727.5719455070.

The spelling of 385148166 in words is "three hundred eighty-five million, one hundred forty-eight thousand, one hundred sixty-six".