1606430141 has 2 divisors, whose sum is σ = 1606430142. Its totient is φ = 1606430140.

The previous prime is 1606430131. The next prime is 1606430173. The reversal of 1606430141 is 1410346061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1251107641 + 355322500 = 35371^2 + 18850^2 .

It is a cyclic number.

It is not a de Polignac number, because 1606430141 - 2¹⁰ = 1606429117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1606430141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1606430131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803215070 + 803215071.

It is an arithmetic number, because the mean of its divisors is an integer number (803215071).

Almost surely, 2^1606430141 is an apocalyptic number.

It is an amenable number.

1606430141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606430141 is an equidigital number, since it uses as much as digits as its factorization.

1606430141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1606430141 is about 40080.2961690654. The cubic root of 1606430141 is about 1171.1718215548.

The spelling of 1606430141 in words is "one billion, six hundred six million, four hundred thirty thousand, one hundred forty-one".