1641885423360 has 576 divisors, whose sum is σ = 6504866414592. Its totient is φ = 343682777088.

The previous prime is 1641885423209. The next prime is 1641885423371. The reversal of 1641885423360 is 633245881461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 44360382 + ... + 44397378.

Almost surely, 2^{1641885423360} is an apocalyptic number.

1641885423360 is a gapful number since it is divisible by the number (10) 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 1641885423360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3252433207296).

1641885423360 is an abundant number, since it is smaller than the sum of its proper divisors (4862980991232).

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

1641885423360 is a wasteful number, since it uses less digits than its factorization.

1641885423360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37168 (or 37154 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 51.

The spelling of 1641885423360 in words is "one trillion, six hundred forty-one billion, eight hundred eighty-five million, four hundred twenty-three thousand, three hundred sixty".