5978158561662 has 128 divisors (see below), whose sum is σ = 14920088371200. Its totient is φ = 1558090670976.

The previous prime is 5978158561591. The next prime is 5978158561673. The reversal of 5978158561662 is 2661658518795.

It is a super-3 number, since 3×5978158561662³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8141173 + ... + 8845055.

It is an arithmetic number, because the mean of its divisors is an integer number (116563190400).

Almost surely, 2^{5978158561662} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5978158561662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7460044185600).

5978158561662 is an abundant number, since it is smaller than the sum of its proper divisors (8941929809538).

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

5978158561662 is a wasteful number, since it uses less digits than its factorization.

5978158561662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704310.

The product of its digits is 217728000, while the sum is 69.

The spelling of 5978158561662 in words is "five trillion, nine hundred seventy-eight billion, one hundred fifty-eight million, five hundred sixty-one thousand, six hundred sixty-two".