161069413 has 2 divisors, whose sum is σ = 161069414. Its totient is φ = 161069412.

The previous prime is 161069369. The next prime is 161069429. The reversal of 161069413 is 314960161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158810404 + 2259009 = 12602^2 + 1503^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-161069413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161061413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80534706 + 80534707.

It is an arithmetic number, because the mean of its divisors is an integer number (80534707).

Almost surely, 2^161069413 is an apocalyptic number.

It is an amenable number.

161069413 is a deficient number, since it is larger than the sum of its proper divisors (1).

161069413 is an equidigital number, since it uses as much as digits as its factorization.

161069413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 161069413 is about 12691.3125010773. The cubic root of 161069413 is about 544.0903525045.

The spelling of 161069413 in words is "one hundred sixty-one million, sixty-nine thousand, four hundred thirteen".