1659828136 has 16 divisors (see below), whose sum is σ = 3170898900. Its totient is φ = 814255104.

The previous prime is 1659828109. The next prime is 1659828169. The reversal of 1659828136 is 6318289561.

It can be written as a sum of positive squares in 2 ways, for example, as 1620062500 + 39765636 = 40250^2 + 6306^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1659828136.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1956921 + ... + 1957768.

Almost surely, 2^1659828136 is an apocalyptic number.

It is an amenable number.

1659828136 is a deficient number, since it is larger than the sum of its proper divisors (1511070764).

1659828136 is a wasteful number, since it uses less digits than its factorization.

1659828136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3914748 (or 3914744 counting only the distinct ones).

The product of its digits is 622080, while the sum is 49.

The square root of 1659828136 is about 40740.9884023449. The cubic root of 1659828136 is about 1184.0072836325.

The spelling of 1659828136 in words is "one billion, six hundred fifty-nine million, eight hundred twenty-eight thousand, one hundred thirty-six".