6158401686 has 12 divisors (see below), whose sum is σ = 13343203692. Its totient is φ = 2052800556.

The previous prime is 6158401663. The next prime is 6158401723. The reversal of 6158401686 is 6861048516.

6158401686 is a `hidden beast` number, since 6 + 1 + 584 + 0 + 1 + 68 + 6 = 666.

It is a super-2 number, since 2×6158401686² = 75851822652255285192, which 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 5 ways as a sum of consecutive naturals, for example, 171066696 + ... + 171066731.

It is an arithmetic number, because the mean of its divisors is an integer number (1111933641).

Almost surely, 2^6158401686 is an apocalyptic number.

6158401686 is an abundant number, since it is smaller than the sum of its proper divisors (7184802006).

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

6158401686 is a wasteful number, since it uses less digits than its factorization.

6158401686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342133435 (or 342133432 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 6158401686 is about 78475.4846178091. The cubic root of 6158401686 is about 1832.9727317293.

The spelling of 6158401686 in words is "six billion, one hundred fifty-eight million, four hundred one thousand, six hundred eighty-six".