1595628161 has 2 divisors, whose sum is σ = 1595628162. Its totient is φ = 1595628160.

The previous prime is 1595628131. The next prime is 1595628193. The reversal of 1595628161 is 1618265951.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1547242225 + 48385936 = 39335^2 + 6956^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1595628161 is a prime.

It is not a weakly prime, because it can be changed into another prime (1595628131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 797814080 + 797814081.

It is an arithmetic number, because the mean of its divisors is an integer number (797814081).

Almost surely, 2^1595628161 is an apocalyptic number.

It is an amenable number.

1595628161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1595628161 is an equidigital number, since it uses as much as digits as its factorization.

1595628161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 44.

The square root of 1595628161 is about 39945.3146313807. The cubic root of 1595628161 is about 1168.5408456560.

The spelling of 1595628161 in words is "one billion, five hundred ninety-five million, six hundred twenty-eight thousand, one hundred sixty-one".