2665937198318 has 8 divisors (see below), whose sum is σ = 4209374523720. Its totient is φ = 1262812357080.

The previous prime is 2665937198273. The next prime is 2665937198329. The reversal of 2665937198318 is 8138917395662.

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

It is a super-2 number, since 2×2665937198318² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35078120993 + ... + 35078121068.

It is an arithmetic number, because the mean of its divisors is an integer number (526171815465).

Almost surely, 2^{2665937198318} is an apocalyptic number.

2665937198318 is a deficient number, since it is larger than the sum of its proper divisors (1543437325402).

2665937198318 is a wasteful number, since it uses less digits than its factorization.

2665937198318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70156242082.

The product of its digits is 117573120, while the sum is 68.

The spelling of 2665937198318 in words is "two trillion, six hundred sixty-five billion, nine hundred thirty-seven million, one hundred ninety-eight thousand, three hundred eighteen".