30666195 has 80 divisors (see below), whose sum is σ = 65165760. Its totient is φ = 13499136.

The previous prime is 30666187. The next prime is 30666197. The reversal of 30666195 is 59166603.

It is not a de Polignac number, because 30666195 - 2³ = 30666187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30666197) 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 79 ways as a sum of consecutive naturals, for example, 82029 + ... + 82401.

It is an arithmetic number, because the mean of its divisors is an integer number (814572).

Almost surely, 2^30666195 is an apocalyptic number.

30666195 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

30666195 is an abundant number, since it is smaller than the sum of its proper divisors (34499565).

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

30666195 is a wasteful number, since it uses less digits than its factorization.

30666195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 30666195 is about 5537.7066552861. The cubic root of 30666195 is about 313.0064576919.

It can be divided in two parts, 3066 and 6195, that added together give a cube (9261 = 21³).

The spelling of 30666195 in words is "thirty million, six hundred sixty-six thousand, one hundred ninety-five".