1606313499 has 8 divisors (see below), whose sum is σ = 2447715840. Its totient is φ = 917893416.

The previous prime is 1606313497. The next prime is 1606313521. The reversal of 1606313499 is 9943136061.

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

It is not a de Polignac number, because 1606313499 - 2¹ = 1606313497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1606313499.

It is not an unprimeable number, because it can be changed into a prime (1606313497) 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, 38245539 + ... + 38245580.

It is an arithmetic number, because the mean of its divisors is an integer number (305964480).

Almost surely, 2^1606313499 is an apocalyptic number.

1606313499 is a deficient number, since it is larger than the sum of its proper divisors (841402341).

1606313499 is an equidigital number, since it uses as much as digits as its factorization.

1606313499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76491129.

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 1606313499 is about 40078.8410386328. The cubic root of 1606313499 is about 1171.1434748236.

The spelling of 1606313499 in words is "one billion, six hundred six million, three hundred thirteen thousand, four hundred ninety-nine".