16238606112818 has 16 divisors (see below), whose sum is σ = 25640115217920. Its totient is φ = 7691908067856.

The previous prime is 16238606112803. The next prime is 16238606112847. The reversal of 16238606112818 is 81821160683261.

It is a super-2 number, since 2×16238606112818² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16238606112818.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3099596 + ... + 6487272.

It is an arithmetic number, because the mean of its divisors is an integer number (1602507201120).

Almost surely, 2^{16238606112818} is an apocalyptic number.

16238606112818 is a deficient number, since it is larger than the sum of its proper divisors (9401509105102).

16238606112818 is a wasteful number, since it uses less digits than its factorization.

16238606112818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3513841.

The product of its (nonzero) digits is 1327104, while the sum is 53.

The spelling of 16238606112818 in words is "sixteen trillion, two hundred thirty-eight billion, six hundred six million, one hundred twelve thousand, eight hundred eighteen".