30158066 has 4 divisors (see below), whose sum is σ = 45237102. Its totient is φ = 15079032.

The previous prime is 30158053. The next prime is 30158069. The reversal of 30158066 is 66085103.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 27196225 + 2961841 = 5215^2 + 1721^2 .

It is not an unprimeable number, because it can be changed into a prime (30158069) by changing a digit.

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 as a sum of consecutive naturals, namely, 7539515 + ... + 7539518.

Almost surely, 2^30158066 is an apocalyptic number.

30158066 is a deficient number, since it is larger than the sum of its proper divisors (15079036).

30158066 is a wasteful number, since it uses less digits than its factorization.

30158066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15079035.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 30158066 is about 5491.6360039609. The cubic root of 30158066 is about 311.2680147420.

The spelling of 30158066 in words is "thirty million, one hundred fifty-eight thousand, sixty-six".