1605814496 has 96 divisors (see below), whose sum is σ = 3751308288. Its totient is φ = 667031040.

The previous prime is 1605814459. The next prime is 1605814499. The reversal of 1605814496 is 6944185061.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1605814499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 469625 + ... + 473031.

It is an arithmetic number, because the mean of its divisors is an integer number (39076128).

Almost surely, 2^1605814496 is an apocalyptic number.

1605814496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1605814496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1875654144).

1605814496 is an abundant number, since it is smaller than the sum of its proper divisors (2145493792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1605814496 is a wasteful number, since it uses less digits than its factorization.

1605814496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3544 (or 3536 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 1605814496 is about 40072.6152877498. The cubic root of 1605814496 is about 1171.0221899409.

The spelling of 1605814496 in words is "one billion, six hundred five million, eight hundred fourteen thousand, four hundred ninety-six".