166446030 has 32 divisors (see below), whose sum is σ = 399937824. Its totient is φ = 44333696.

The previous prime is 166446029. The next prime is 166446047. The reversal of 166446030 is 30644661.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27652 + ... + 33128.

It is an arithmetic number, because the mean of its divisors is an integer number (12498057).

Almost surely, 2^166446030 is an apocalyptic number.

166446030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166446030 is an abundant number, since it is smaller than the sum of its proper divisors (233491794).

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

166446030 is a wasteful number, since it uses less digits than its factorization.

166446030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6500.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 166446030 is about 12901.3964360452. The cubic root of 166446030 is about 550.0782588366.

The spelling of 166446030 in words is "one hundred sixty-six million, four hundred forty-six thousand, thirty".