1606828487 has 16 divisors (see below), whose sum is σ = 1814369280. Its totient is φ = 1409788800.

The previous prime is 1606828451. The next prime is 1606828501. The reversal of 1606828487 is 7848286061.

It is a cyclic number.

It is not a de Polignac number, because 1606828487 - 2¹⁰ = 1606827463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606828427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123023 + ... + 135455.

It is an arithmetic number, because the mean of its divisors is an integer number (113398080).

Almost surely, 2^1606828487 is an apocalyptic number.

1606828487 is a deficient number, since it is larger than the sum of its proper divisors (207540793).

1606828487 is a wasteful number, since it uses less digits than its factorization.

1606828487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12854.

The product of its (nonzero) digits is 1032192, while the sum is 50.

The square root of 1606828487 is about 40085.2652105484. The cubic root of 1606828487 is about 1171.2686185960.

The spelling of 1606828487 in words is "one billion, six hundred six million, eight hundred twenty-eight thousand, four hundred eighty-seven".