1609408330 has 16 divisors (see below), whose sum is σ = 2903856480. Its totient is φ = 642225232.

The previous prime is 1609408291. The next prime is 1609408349. The reversal of 1609408330 is 338049061.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187864 + ... + 196243.

It is an arithmetic number, because the mean of its divisors is an integer number (181491030).

Almost surely, 2^1609408330 is an apocalyptic number.

1609408330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1609408330 is a deficient number, since it is larger than the sum of its proper divisors (1294448150).

1609408330 is a wasteful number, since it uses less digits than its factorization.

1609408330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384533.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 1609408330 is about 40117.4317473090. The cubic root of 1609408330 is about 1171.8951267465.

The spelling of 1609408330 in words is "one billion, six hundred nine million, four hundred eight thousand, three hundred thirty".