750726216161 has 2 divisors, whose sum is σ = 750726216162. Its totient is φ = 750726216160.

The previous prime is 750726216151. The next prime is 750726216167. The reversal of 750726216161 is 161612627057.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 711618780625 + 39107435536 = 843575^2 + 197756^2 .

It is a cyclic number.

It is not a de Polignac number, because 750726216161 - 2³⁴ = 733546346977 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (750726216167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 375363108080 + 375363108081.

It is an arithmetic number, because the mean of its divisors is an integer number (375363108081).

Almost surely, 2^750726216161 is an apocalyptic number.

It is an amenable number.

750726216161 is a deficient number, since it is larger than the sum of its proper divisors (1).

750726216161 is an equidigital number, since it uses as much as digits as its factorization.

750726216161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 750726216161 in words is "seven hundred fifty billion, seven hundred twenty-six million, two hundred sixteen thousand, one hundred sixty-one".