18078956196 has 48 divisors (see below), whose sum is σ = 48221819520. Its totient is φ = 5164208640.

The previous prime is 18078956177. The next prime is 18078956257. The reversal of 18078956196 is 69165987081.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 373770 + ... + 419358.

It is an arithmetic number, because the mean of its divisors is an integer number (1004621240).

Almost surely, 2^18078956196 is an apocalyptic number.

It is an amenable number.

18078956196 is an abundant number, since it is smaller than the sum of its proper divisors (30142863324).

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

18078956196 is a wasteful number, since it uses less digits than its factorization.

18078956196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50324 (or 50322 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 60.

The spelling of 18078956196 in words is "eighteen billion, seventy-eight million, nine hundred fifty-six thousand, one hundred ninety-six".