338043658786157 has 2 divisors, whose sum is σ = 338043658786158. Its totient is φ = 338043658786156.

The previous prime is 338043658786153. The next prime is 338043658786201. The reversal of 338043658786157 is 751687856340833.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181305928770121 + 156737730016036 = 13464989^2 + 12519494^2 .

It is a cyclic number.

It is not a de Polignac number, because 338043658786157 - 2² = 338043658786153 is a prime.

It is a super-2 number, since 2×338043658786157² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (338043658786151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169021829393078 + 169021829393079.

It is an arithmetic number, because the mean of its divisors is an integer number (169021829393079).

Almost surely, 2^{338043658786157} is an apocalyptic number.

It is an amenable number.

338043658786157 is a deficient number, since it is larger than the sum of its proper divisors (1).

338043658786157 is an equidigital number, since it uses as much as digits as its factorization.

338043658786157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2438553600, while the sum is 74.

The spelling of 338043658786157 in words is "three hundred thirty-eight trillion, forty-three billion, six hundred fifty-eight million, seven hundred eighty-six thousand, one hundred fifty-seven".