18216470670 has 32 divisors (see below), whose sum is σ = 43748998560. Its totient is φ = 4854451200.

The previous prime is 18216470663. The next prime is 18216470681. The reversal of 18216470670 is 7607461281.

It is a Curzon number.

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, 159231 + ... + 248570.

It is an arithmetic number, because the mean of its divisors is an integer number (1367156205).

Almost surely, 2^18216470670 is an apocalyptic number.

18216470670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18216470670 is an abundant number, since it is smaller than the sum of its proper divisors (25532527890).

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

18216470670 is a wasteful number, since it uses less digits than its factorization.

18216470670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409300.

The product of its (nonzero) digits is 112896, while the sum is 42.

The spelling of 18216470670 in words is "eighteen billion, two hundred sixteen million, four hundred seventy thousand, six hundred seventy".