1606877338 has 12 divisors (see below), whose sum is σ = 2649356010. Its totient is φ = 730398680.

The previous prime is 1606877333. The next prime is 1606877347. The reversal of 1606877338 is 8337786061.

It can be written as a sum of positive squares in only one way, i.e., 1157564529 + 449312809 = 34023^2 + 21197^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1606877291 and 1606877300.

It is not an unprimeable number, because it can be changed into a prime (1606877333) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3319753 + ... + 3320236.

Almost surely, 2^1606877338 is an apocalyptic number.

1606877338 is a deficient number, since it is larger than the sum of its proper divisors (1042478672).

1606877338 is a wasteful number, since it uses less digits than its factorization.

1606877338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6640013 (or 6640002 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 49.

The square root of 1606877338 is about 40085.8745445325. The cubic root of 1606877338 is about 1171.2804881606.

The spelling of 1606877338 in words is "one billion, six hundred six million, eight hundred seventy-seven thousand, three hundred thirty-eight".