166085430 has 32 divisors (see below), whose sum is σ = 455549184. Its totient is φ = 37962336.

The previous prime is 166085417. The next prime is 166085431. The reversal of 166085430 is 34580661.

166085430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 166085391 and 166085400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166085431) 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, 395232 + ... + 395651.

It is an arithmetic number, because the mean of its divisors is an integer number (14235912).

Almost surely, 2^166085430 is an apocalyptic number.

166085430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166085430 is an abundant number, since it is smaller than the sum of its proper divisors (289463754).

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

166085430 is a wasteful number, since it uses less digits than its factorization.

166085430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790900.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 166085430 is about 12887.4136272566. The cubic root of 166085430 is about 549.6807293023.

The spelling of 166085430 in words is "one hundred sixty-six million, eighty-five thousand, four hundred thirty".