30166442 has 8 divisors (see below), whose sum is σ = 45364836. Its totient is φ = 15044832.

The previous prime is 30166439. The next prime is 30166453. The reversal of 30166442 is 24466103.

It can be written as a sum of positive squares in 2 ways, for example, as 28504921 + 1661521 = 5339^2 + 1289^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18203 + ... + 19790.

Almost surely, 2^30166442 is an apocalyptic number.

30166442 is a deficient number, since it is larger than the sum of its proper divisors (15198394).

30166442 is a wasteful number, since it uses less digits than its factorization.

30166442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38392.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 30166442 is about 5492.3985652900. The cubic root of 30166442 is about 311.2968289190.

The spelling of 30166442 in words is "thirty million, one hundred sixty-six thousand, four hundred forty-two".