18070215196 has 48 divisors (see below), whose sum is σ = 35918638560. Its totient is φ = 7881984000.

The previous prime is 18070215187. The next prime is 18070215227. The reversal of 18070215196 is 69151207081.

It is a happy number.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 27940 + ... + 192148.

It is an arithmetic number, because the mean of its divisors is an integer number (748304970).

Almost surely, 2^18070215196 is an apocalyptic number.

It is an amenable number.

18070215196 is a deficient number, since it is larger than the sum of its proper divisors (17848423364).

18070215196 is a wasteful number, since it uses less digits than its factorization.

18070215196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164326 (or 164324 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 40.

The spelling of 18070215196 in words is "eighteen billion, seventy million, two hundred fifteen thousand, one hundred ninety-six".