166434356 has 24 divisors (see below), whose sum is σ = 321767040. Its totient is φ = 74692800.

The previous prime is 166434353. The next prime is 166434407. The reversal of 166434356 is 653434661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166434353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20465 + ... + 27416.

It is an arithmetic number, because the mean of its divisors is an integer number (13406960).

Almost surely, 2^166434356 is an apocalyptic number.

It is an amenable number.

166434356 is a deficient number, since it is larger than the sum of its proper divisors (155332684).

166434356 is a wasteful number, since it uses less digits than its factorization.

166434356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47975 (or 47973 counting only the distinct ones).

The product of its digits is 155520, while the sum is 38.

The square root of 166434356 is about 12900.9439964679. The cubic root of 166434356 is about 550.0653982841.

The spelling of 166434356 in words is "one hundred sixty-six million, four hundred thirty-four thousand, three hundred fifty-six".