166841430 has 32 divisors (see below), whose sum is σ = 457622784. Its totient is φ = 38135136.

The previous prime is 166841429. The next prime is 166841431. The reversal of 166841430 is 34148661.

It is an interprime number because it is at equal distance from previous prime (166841429) and next prime (166841431).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 166841391 and 166841400.

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 15 ways as a sum of consecutive naturals, for example, 397032 + ... + 397451.

It is an arithmetic number, because the mean of its divisors is an integer number (14300712).

Almost surely, 2^166841430 is an apocalyptic number.

166841430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166841430 is an abundant number, since it is smaller than the sum of its proper divisors (290781354).

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

166841430 is a wasteful number, since it uses less digits than its factorization.

166841430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794500.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 166841430 is about 12916.7112687402. The cubic root of 166841430 is about 550.5134928936.

The spelling of 166841430 in words is "one hundred sixty-six million, eight hundred forty-one thousand, four hundred thirty".