64160078203849 has 2 divisors, whose sum is σ = 64160078203850. Its totient is φ = 64160078203848.

The previous prime is 64160078203703. The next prime is 64160078203861. The reversal of 64160078203849 is 94830287006146.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58709921817600 + 5450156386249 = 7662240^2 + 2334557^2 .

It is a cyclic number.

It is not a de Polignac number, because 64160078203849 - 2¹⁵ = 64160078171081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64160078203793 and 64160078203802.

It is not a weakly prime, because it can be changed into another prime (64160078206849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32080039101924 + 32080039101925.

It is an arithmetic number, because the mean of its divisors is an integer number (32080039101925).

Almost surely, 2^{64160078203849} is an apocalyptic number.

It is an amenable number.

64160078203849 is a deficient number, since it is larger than the sum of its proper divisors (1).

64160078203849 is an equidigital number, since it uses as much as digits as its factorization.

64160078203849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13934592, while the sum is 58.

The spelling of 64160078203849 in words is "sixty-four trillion, one hundred sixty billion, seventy-eight million, two hundred three thousand, eight hundred forty-nine".