161302909443007 has 2 divisors, whose sum is σ = 161302909443008. Its totient is φ = 161302909443006.

The previous prime is 161302909442999. The next prime is 161302909443149. The reversal of 161302909443007 is 700344909203161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 161302909443007 - 2³ = 161302909442999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161302909443707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80651454721503 + 80651454721504.

It is an arithmetic number, because the mean of its divisors is an integer number (80651454721504).

Almost surely, 2^{161302909443007} is an apocalyptic number.

161302909443007 is a deficient number, since it is larger than the sum of its proper divisors (1).

161302909443007 is an equidigital number, since it uses as much as digits as its factorization.

161302909443007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 49.

The spelling of 161302909443007 in words is "one hundred sixty-one trillion, three hundred two billion, nine hundred nine million, four hundred forty-three thousand, seven".