1606830369 has 8 divisors (see below), whose sum is σ = 2145972480. Its totient is φ = 1069454256.

The previous prime is 1606830353. The next prime is 1606830371. The reversal of 1606830369 is 9630386061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1606830369 - 2⁴ = 1606830353 is a prime.

It is a super-2 number, since 2×1606830369² = 5163807669481352322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1606830369.

It is not an unprimeable number, because it can be changed into a prime (1606830319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439374 + ... + 443015.

It is an arithmetic number, because the mean of its divisors is an integer number (268246560).

Almost surely, 2^1606830369 is an apocalyptic number.

It is an amenable number.

1606830369 is a deficient number, since it is larger than the sum of its proper divisors (539142111).

1606830369 is an equidigital number, since it uses as much as digits as its factorization.

1606830369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882999.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 1606830369 is about 40085.2886855016. The cubic root of 1606830369 is about 1171.2690758792.

The spelling of 1606830369 in words is "one billion, six hundred six million, eight hundred thirty thousand, three hundred sixty-nine".