5965666356918 has 32 divisors (see below), whose sum is σ = 12019740917760. Its totient is φ = 1973841350400.

The previous prime is 5965666356907. The next prime is 5965666356943. The reversal of 5965666356918 is 8196536665695.

It is a super-3 number, since 3×5965666356918³ (a number of 39 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5965666356918.

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, 1415355 + ... + 3732902.

It is an arithmetic number, because the mean of its divisors is an integer number (375616903680).

Almost surely, 2^{5965666356918} is an apocalyptic number.

5965666356918 is an abundant number, since it is smaller than the sum of its proper divisors (6054074560842).

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

5965666356918 is a wasteful number, since it uses less digits than its factorization.

5965666356918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5149692.

The product of its digits is 1889568000, while the sum is 75.

The spelling of 5965666356918 in words is "five trillion, nine hundred sixty-five billion, six hundred sixty-six million, three hundred fifty-six thousand, nine hundred eighteen".