838146166 has 32 divisors (see below), whose sum is σ = 1480733856. Its totient is φ = 350784000.

The previous prime is 838146157. The next prime is 838146167. The reversal of 838146166 is 661641838.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838146167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116926 + ... + 123886.

It is an arithmetic number, because the mean of its divisors is an integer number (46272933).

Almost surely, 2^838146166 is an apocalyptic number.

838146166 is a deficient number, since it is larger than the sum of its proper divisors (642587690).

838146166 is a wasteful number, since it uses less digits than its factorization.

838146166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7408.

The product of its digits is 165888, while the sum is 43.

The square root of 838146166 is about 28950.7541525260. The cubic root of 838146166 is about 942.8441719957.

The spelling of 838146166 in words is "eight hundred thirty-eight million, one hundred forty-six thousand, one hundred sixty-six".