30056131666 has 8 divisors (see below), whose sum is σ = 49182760944. Its totient is φ = 13661878020.

The previous prime is 30056131649. The next prime is 30056131709. The reversal of 30056131666 is 66613165003.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683093880 + ... + 683093923.

It is an arithmetic number, because the mean of its divisors is an integer number (6147845118).

Almost surely, 2^30056131666 is an apocalyptic number.

30056131666 is a deficient number, since it is larger than the sum of its proper divisors (19126629278).

30056131666 is a wasteful number, since it uses less digits than its factorization.

30056131666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366187816.

The product of its (nonzero) digits is 58320, while the sum is 37.

Adding to 30056131666 its reverse (66613165003), we get a palindrome (96669296669).

The spelling of 30056131666 in words is "thirty billion, fifty-six million, one hundred thirty-one thousand, six hundred sixty-six".