1600259161 has 2 divisors, whose sum is σ = 1600259162. Its totient is φ = 1600259160.

The previous prime is 1600259123. The next prime is 1600259197. The reversal of 1600259161 is 1619520061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 996033600 + 604225561 = 31560^2 + 24581^2 .

It is a cyclic number.

It is not a de Polignac number, because 1600259161 - 2⁷ = 1600259033 is a prime.

It is not a weakly prime, because it can be changed into another prime (1600251161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800129580 + 800129581.

It is an arithmetic number, because the mean of its divisors is an integer number (800129581).

Almost surely, 2^1600259161 is an apocalyptic number.

It is an amenable number.

1600259161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1600259161 is an equidigital number, since it uses as much as digits as its factorization.

1600259161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 1600259161 is about 40003.2393813301. The cubic root of 1600259161 is about 1169.6702411560.

The spelling of 1600259161 in words is "one billion, six hundred million, two hundred fifty-nine thousand, one hundred sixty-one".