1605340042752 has 80 divisors (see below), whose sum is σ = 4277501244720. Its totient is φ = 535016374272.

The previous prime is 1605340042729. The next prime is 1605340042793. The reversal of 1605340042752 is 2572400435061.

It is a self number, because there is not a number n which added to its sum of digits gives 1605340042752.

It is a congruent number.

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, 8646448 + ... + 8830160.

It is an arithmetic number, because the mean of its divisors is an integer number (53468765559).

Almost surely, 2^{1605340042752} is an apocalyptic number.

1605340042752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1605340042752 is an abundant number, since it is smaller than the sum of its proper divisors (2672161201968).

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

1605340042752 is an equidigital number, since it uses as much as digits as its factorization.

1605340042752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189423 (or 189407 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 39.

The spelling of 1605340042752 in words is "one trillion, six hundred five billion, three hundred forty million, forty-two thousand, seven hundred fifty-two".