16504951051157 has 2 divisors, whose sum is σ = 16504951051158. Its totient is φ = 16504951051156.

The previous prime is 16504951051139. The next prime is 16504951051177. The reversal of 16504951051157 is 75115015940561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13342845561796 + 3162105489361 = 3652786^2 + 1778231^2 .

It is a cyclic number.

It is not a de Polignac number, because 16504951051157 - 2¹² = 16504951047061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16504951051117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8252475525578 + 8252475525579.

It is an arithmetic number, because the mean of its divisors is an integer number (8252475525579).

Almost surely, 2^{16504951051157} is an apocalyptic number.

It is an amenable number.

16504951051157 is a deficient number, since it is larger than the sum of its proper divisors (1).

16504951051157 is an equidigital number, since it uses as much as digits as its factorization.

16504951051157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 945000, while the sum is 50.

The spelling of 16504951051157 in words is "sixteen trillion, five hundred four billion, nine hundred fifty-one million, fifty-one thousand, one hundred fifty-seven".