161792545751 has 2 divisors, whose sum is σ = 161792545752. Its totient is φ = 161792545750.

The previous prime is 161792545721. The next prime is 161792545771. The reversal of 161792545751 is 157545297161.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161792545751 - 2¹⁸ = 161792283607 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 161792545693 and 161792545702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161792545721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80896272875 + 80896272876.

It is an arithmetic number, because the mean of its divisors is an integer number (80896272876).

Almost surely, 2^161792545751 is an apocalyptic number.

161792545751 is a deficient number, since it is larger than the sum of its proper divisors (1).

161792545751 is an equidigital number, since it uses as much as digits as its factorization.

161792545751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2646000, while the sum is 53.

The spelling of 161792545751 in words is "one hundred sixty-one billion, seven hundred ninety-two million, five hundred forty-five thousand, seven hundred fifty-one".