30666361 has 12 divisors (see below), whose sum is σ = 35484400. Its totient is φ = 26409240.

The previous prime is 30666313. The next prime is 30666367. The reversal of 30666361 is 16366603.

It is not a de Polignac number, because 30666361 - 2⁹ = 30665849 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (30666367) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4371 + ... + 8968.

Almost surely, 2^30666361 is an apocalyptic number.

It is an amenable number.

30666361 is a deficient number, since it is larger than the sum of its proper divisors (4818039).

30666361 is a wasteful number, since it uses less digits than its factorization.

30666361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13380 (or 13369 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 30666361 is about 5537.7216434198. The cubic root of 30666361 is about 313.0070224720.

The spelling of 30666361 in words is "thirty million, six hundred sixty-six thousand, three hundred sixty-one".