166841436 has 36 divisors (see below), whose sum is σ = 400471512. Its totient is φ = 54022464.

The previous prime is 166841431. The next prime is 166841453. The reversal of 166841436 is 634148661.

It is a junction number, because it is equal to n+sod(n) for n = 166841394 and 166841403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166841431) 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, 271866 + ... + 272478.

Almost surely, 2^166841436 is an apocalyptic number.

It is an amenable number.

166841436 is an abundant number, since it is smaller than the sum of its proper divisors (233630076).

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

166841436 is an equidigital number, since it uses as much as digits as its factorization.

166841436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270 (or 655 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 166841436 is about 12916.7115009975. The cubic root of 166841436 is about 550.5134994928.

The spelling of 166841436 in words is "one hundred sixty-six million, eight hundred forty-one thousand, four hundred thirty-six".