16218892238 has 8 divisors (see below), whose sum is σ = 24661603488. Its totient is φ = 7998357744.

The previous prime is 16218892237. The next prime is 16218892241. The reversal of 16218892238 is 83229881261.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16218892237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55544006 + ... + 55544297.

It is an arithmetic number, because the mean of its divisors is an integer number (3082700436).

Almost surely, 2^16218892238 is an apocalyptic number.

16218892238 is a deficient number, since it is larger than the sum of its proper divisors (8442711250).

16218892238 is a wasteful number, since it uses less digits than its factorization.

16218892238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111088378.

The product of its digits is 663552, while the sum is 50.

The spelling of 16218892238 in words is "sixteen billion, two hundred eighteen million, eight hundred ninety-two thousand, two hundred thirty-eight".