16707357357121 has 2 divisors, whose sum is σ = 16707357357122. Its totient is φ = 16707357357120.

The previous prime is 16707357357071. The next prime is 16707357357137. The reversal of 16707357357121 is 12175375370761.

16707357357121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16288198226496 + 419159130625 = 4035864^2 + 647425^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16707357357121 is a prime.

It is not a weakly prime, because it can be changed into another prime (16707357358121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8353678678560 + 8353678678561.

It is an arithmetic number, because the mean of its divisors is an integer number (8353678678561).

Almost surely, 2^{16707357357121} is an apocalyptic number.

It is an amenable number.

16707357357121 is a deficient number, since it is larger than the sum of its proper divisors (1).

16707357357121 is an equidigital number, since it uses as much as digits as its factorization.

16707357357121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6482700, while the sum is 55.

The spelling of 16707357357121 in words is "sixteen trillion, seven hundred seven billion, three hundred fifty-seven million, three hundred fifty-seven thousand, one hundred twenty-one".