30678170136 has 64 divisors (see below), whose sum is σ = 77522814720. Its totient is φ = 10115952000.

The previous prime is 30678170123. The next prime is 30678170153. The reversal of 30678170136 is 63107187603.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2498011 + ... + 2510261.

It is an arithmetic number, because the mean of its divisors is an integer number (1211293980).

Almost surely, 2^30678170136 is an apocalyptic number.

It is an amenable number.

30678170136 is an abundant number, since it is smaller than the sum of its proper divisors (46844644584).

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

30678170136 is a wasteful number, since it uses less digits than its factorization.

30678170136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13376 (or 13372 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The spelling of 30678170136 in words is "thirty billion, six hundred seventy-eight million, one hundred seventy thousand, one hundred thirty-six".