1605122044932 has 96 divisors (see below), whose sum is σ = 4507976954880. Its totient is φ = 434240472960.

The previous prime is 1605122044921. The next prime is 1605122044943. The reversal of 1605122044932 is 2394402215061.

It is an interprime number because it is at equal distance from previous prime (1605122044921) and next prime (1605122044943).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2779882 + ... + 3307262.

It is an arithmetic number, because the mean of its divisors is an integer number (46958093280).

Almost surely, 2^{1605122044932} is an apocalyptic number.

1605122044932 is a gapful number since it is divisible by the number (12) 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 1605122044932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2253988477440).

1605122044932 is an abundant number, since it is smaller than the sum of its proper divisors (2902854909948).

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

1605122044932 is a wasteful number, since it uses less digits than its factorization.

1605122044932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529321 (or 529319 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

Adding to 1605122044932 its reverse (2394402215061), we get a palindrome (3999524259993).

The spelling of 1605122044932 in words is "one trillion, six hundred five billion, one hundred twenty-two million, forty-four thousand, nine hundred thirty-two".