30168682478 has 8 divisors (see below), whose sum is σ = 49366935000. Its totient is φ = 13713037480.

The previous prime is 30168682469. The next prime is 30168682501. The reversal of 30168682478 is 87428686103.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 685651853 + ... + 685651896.

It is an arithmetic number, because the mean of its divisors is an integer number (6170866875).

Almost surely, 2^30168682478 is an apocalyptic number.

30168682478 is a deficient number, since it is larger than the sum of its proper divisors (19198252522).

30168682478 is a wasteful number, since it uses less digits than its factorization.

30168682478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371303762.

The product of its (nonzero) digits is 3096576, while the sum is 53.

The spelling of 30168682478 in words is "thirty billion, one hundred sixty-eight million, six hundred eighty-two thousand, four hundred seventy-eight".