5156521853466 has 8 divisors (see below), whose sum is σ = 10313043706944. Its totient is φ = 1718840617820.

The previous prime is 5156521853459. The next prime is 5156521853501. The reversal of 5156521853466 is 6643581256515.

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

5156521853466 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429710154450 + ... + 429710154461.

It is an arithmetic number, because the mean of its divisors is an integer number (1289130463368).

Almost surely, 2^{5156521853466} is an apocalyptic number.

5156521853466 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5156521853466 is a wasteful number, since it uses less digits than its factorization.

5156521853466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859420308916.

The product of its digits is 25920000, while the sum is 57.

The spelling of 5156521853466 in words is "five trillion, one hundred fifty-six billion, five hundred twenty-one million, eight hundred fifty-three thousand, four hundred sixty-six".