166838376 has 48 divisors (see below), whose sum is σ = 421381440. Its totient is φ = 55046880.

The previous prime is 166838341. The next prime is 166838377. The reversal of 166838376 is 673838661.

166838376 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (166838377) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 386881 + ... + 387311.

It is an arithmetic number, because the mean of its divisors is an integer number (8778780).

Almost surely, 2^166838376 is an apocalyptic number.

It is an amenable number.

166838376 is an abundant number, since it is smaller than the sum of its proper divisors (254543064).

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

166838376 is a wasteful number, since it uses less digits than its factorization.

166838376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694 (or 563 counting only the distinct ones).

The product of its digits is 870912, while the sum is 48.

The square root of 166838376 is about 12916.5930492526. The cubic root of 166838376 is about 550.5101338589.

The spelling of 166838376 in words is "one hundred sixty-six million, eight hundred thirty-eight thousand, three hundred seventy-six".