1605717141040 has 80 divisors (see below), whose sum is σ = 3751895050848. Its totient is φ = 639093270528.

The previous prime is 1605717141019. The next prime is 1605717141079. The reversal of 1605717141040 is 401417175061.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15018652 + ... + 15125188.

Almost surely, 2^{1605717141040} is an apocalyptic number.

1605717141040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1605717141040 is an abundant number, since it is smaller than the sum of its proper divisors (2146177909808).

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

1605717141040 is a wasteful number, since it uses less digits than its factorization.

1605717141040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107486 (or 107480 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 37.

The spelling of 1605717141040 in words is "one trillion, six hundred five billion, seven hundred seventeen million, one hundred forty-one thousand, forty".