1641453327360 has 2816 divisors, whose sum is σ = 7905253294080. Its totient is φ = 312559534080.

The previous prime is 1641453327329. The next prime is 1641453327361. The reversal of 1641453327360 is 637233541461.

1641453327360 is a `hidden beast` number, since 1 + 6 + 41 + 4 + 533 + 2 + 73 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2816).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1641453327361) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 8504939424 + ... + 8504939616.

Almost surely, 2^{1641453327360} is an apocalyptic number.

1641453327360 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 1641453327360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3952626647040).

1641453327360 is an abundant number, since it is smaller than the sum of its proper divisors (6263799966720).

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

1641453327360 is a wasteful number, since it uses less digits than its factorization.

1641453327360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

The spelling of 1641453327360 in words is "one trillion, six hundred forty-one billion, four hundred fifty-three million, three hundred twenty-seven thousand, three hundred sixty".