73202426161 has 2 divisors, whose sum is σ = 73202426162. Its totient is φ = 73202426160.

The previous prime is 73202426093. The next prime is 73202426179. The reversal of 73202426161 is 16162420237.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45345147136 + 27857279025 = 212944^2 + 166905^2 .

It is an emirp because it is prime and its reverse (16162420237) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73202426161 - 2²⁵ = 73168871729 is a prime.

It is not a weakly prime, because it can be changed into another prime (73202426861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36601213080 + 36601213081.

It is an arithmetic number, because the mean of its divisors is an integer number (36601213081).

Almost surely, 2^73202426161 is an apocalyptic number.

It is an amenable number.

73202426161 is a deficient number, since it is larger than the sum of its proper divisors (1).

73202426161 is an equidigital number, since it uses as much as digits as its factorization.

73202426161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 34.

Adding to 73202426161 its reverse (16162420237), we get a palindrome (89364846398).

The spelling of 73202426161 in words is "seventy-three billion, two hundred two million, four hundred twenty-six thousand, one hundred sixty-one".