161095453 has 2 divisors, whose sum is σ = 161095454. Its totient is φ = 161095452.

The previous prime is 161095439. The next prime is 161095477. The reversal of 161095453 is 354590161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 160224964 + 870489 = 12658^2 + 933^2 .

It is a cyclic number.

It is not a de Polignac number, because 161095453 - 2⁵ = 161095421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161095483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80547726 + 80547727.

It is an arithmetic number, because the mean of its divisors is an integer number (80547727).

Almost surely, 2^161095453 is an apocalyptic number.

It is an amenable number.

161095453 is a deficient number, since it is larger than the sum of its proper divisors (1).

161095453 is an equidigital number, since it uses as much as digits as its factorization.

161095453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 161095453 is about 12692.3383582380. The cubic root of 161095453 is about 544.1196718500.

The spelling of 161095453 in words is "one hundred sixty-one million, ninety-five thousand, four hundred fifty-three".