726161160149 has 2 divisors, whose sum is σ = 726161160150. Its totient is φ = 726161160148.

The previous prime is 726161160139. The next prime is 726161160269. The reversal of 726161160149 is 941061161627.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 719417794225 + 6743365924 = 848185^2 + 82118^2 .

It is a cyclic number.

It is not a de Polignac number, because 726161160149 - 2⁴ = 726161160133 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (726161160139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363080580074 + 363080580075.

It is an arithmetic number, because the mean of its divisors is an integer number (363080580075).

Almost surely, 2^726161160149 is an apocalyptic number.

It is an amenable number.

726161160149 is a deficient number, since it is larger than the sum of its proper divisors (1).

726161160149 is an equidigital number, since it uses as much as digits as its factorization.

726161160149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 44.

The spelling of 726161160149 in words is "seven hundred twenty-six billion, one hundred sixty-one million, one hundred sixty thousand, one hundred forty-nine".