70003372658161 has 2 divisors, whose sum is σ = 70003372658162. Its totient is φ = 70003372658160.

The previous prime is 70003372658147. The next prime is 70003372658171. The reversal of 70003372658161 is 16185627330007.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56250660001936 + 13752712656225 = 7500044^2 + 3708465^2 .

It is an emirp because it is prime and its reverse (16185627330007) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70003372658161 - 2⁷ = 70003372658033 is a prime.

It is not a weakly prime, because it can be changed into another prime (70003372658171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35001686329080 + 35001686329081.

It is an arithmetic number, because the mean of its divisors is an integer number (35001686329081).

Almost surely, 2^{70003372658161} is an apocalyptic number.

It is an amenable number.

70003372658161 is a deficient number, since it is larger than the sum of its proper divisors (1).

70003372658161 is an equidigital number, since it uses as much as digits as its factorization.

70003372658161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1270080, while the sum is 49.

Adding to 70003372658161 its reverse (16185627330007), we get a palindrome (86188999988168).

The spelling of 70003372658161 in words is "seventy trillion, three billion, three hundred seventy-two million, six hundred fifty-eight thousand, one hundred sixty-one".