5156640727858 has 16 divisors (see below), whose sum is σ = 7831338727680. Its totient is φ = 2546330901696.

The previous prime is 5156640727841. The next prime is 5156640727873. The reversal of 5156640727858 is 8587270466515.

It is a self number, because there is not a number n which added to its sum of digits gives 5156640727858.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34028263 + ... + 34179466.

It is an arithmetic number, because the mean of its divisors is an integer number (489458670480).

Almost surely, 2^{5156640727858} is an apocalyptic number.

5156640727858 is a deficient number, since it is larger than the sum of its proper divisors (2674697999822).

5156640727858 is a wasteful number, since it uses less digits than its factorization.

5156640727858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68208201.

The product of its (nonzero) digits is 112896000, while the sum is 64.

The spelling of 5156640727858 in words is "five trillion, one hundred fifty-six billion, six hundred forty million, seven hundred twenty-seven thousand, eight hundred fifty-eight".