5958666681 has 8 divisors (see below), whose sum is σ = 8667151584. Its totient is φ = 3611313120.

The previous prime is 5958666671. The next prime is 5958666689. The reversal of 5958666681 is 1866668595.

It is a happy number.

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

It is not a de Polignac number, because 5958666681 - 2²⁶ = 5891557817 is a prime.

It is a super-2 number, since 2×5958666681² = 71011417230519111522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5958666689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90282796 + ... + 90282861.

It is an arithmetic number, because the mean of its divisors is an integer number (1083393948).

Almost surely, 2^5958666681 is an apocalyptic number.

It is an amenable number.

5958666681 is a deficient number, since it is larger than the sum of its proper divisors (2708484903).

5958666681 is a wasteful number, since it uses less digits than its factorization.

5958666681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180565671.

The product of its digits is 18662400, while the sum is 60.

The square root of 5958666681 is about 77192.4004096258. The cubic root of 5958666681 is about 1812.9383285243.

The spelling of 5958666681 in words is "five billion, nine hundred fifty-eight million, six hundred sixty-six thousand, six hundred eighty-one".