1606312402 has 16 divisors (see below), whose sum is σ = 2558734560. Its totient is φ = 754149312.

The previous prime is 1606312397. The next prime is 1606312403. The reversal of 1606312402 is 2042136061.

It is not an unprimeable number, because it can be changed into a prime (1606312403) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 182748 + ... + 191335.

It is an arithmetic number, because the mean of its divisors is an integer number (159920910).

Almost surely, 2^1606312402 is an apocalyptic number.

1606312402 is a deficient number, since it is larger than the sum of its proper divisors (952422158).

1606312402 is a wasteful number, since it uses less digits than its factorization.

1606312402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374217.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1606312402 is about 40078.8273531050. The cubic root of 1606312402 is about 1171.1432082205.

Adding to 1606312402 its reverse (2042136061), we get a palindrome (3648448463).

The spelling of 1606312402 in words is "one billion, six hundred six million, three hundred twelve thousand, four hundred two".