161902926343 has 2 divisors, whose sum is σ = 161902926344. Its totient is φ = 161902926342.

The previous prime is 161902926287. The next prime is 161902926373. The reversal of 161902926343 is 343629209161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161902926343 - 2⁹ = 161902925831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 161902926293 and 161902926302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161902926373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80951463171 + 80951463172.

It is an arithmetic number, because the mean of its divisors is an integer number (80951463172).

Almost surely, 2^161902926343 is an apocalyptic number.

161902926343 is a deficient number, since it is larger than the sum of its proper divisors (1).

161902926343 is an equidigital number, since it uses as much as digits as its factorization.

161902926343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 46.

The spelling of 161902926343 in words is "one hundred sixty-one billion, nine hundred two million, nine hundred twenty-six thousand, three hundred forty-three".