1605596412 has 48 divisors (see below), whose sum is σ = 4287064320. Its totient is φ = 458155392.

The previous prime is 1605596407. The next prime is 1605596417. The reversal of 1605596412 is 2146955061.

It is an interprime number because it is at equal distance from previous prime (1605596407) and next prime (1605596417).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1605596417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56143 + ... + 79769.

It is an arithmetic number, because the mean of its divisors is an integer number (89313840).

Almost surely, 2^1605596412 is an apocalyptic number.

1605596412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1605596412 is an abundant number, since it is smaller than the sum of its proper divisors (2681467908).

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

1605596412 is a wasteful number, since it uses less digits than its factorization.

1605596412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24450 (or 24448 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 1605596412 is about 40069.8940852107. The cubic root of 1605596412 is about 1170.9691757715.

The spelling of 1605596412 in words is "one billion, six hundred five million, five hundred ninety-six thousand, four hundred twelve".