1642803594960 has 160 divisors (see below), whose sum is σ = 5561393333760. Its totient is φ = 397844646400.

The previous prime is 1642803594917. The next prime is 1642803594977. The reversal of 1642803594960 is 694953082461.

It is a Cunningham number, because it is equal to 1281719²-1.

It is a super-2 number, since 2×1642803594960² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1642803594960.

It is a congruent number.

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, 2243011 + ... + 2883869.

It is an arithmetic number, because the mean of its divisors is an integer number (34758708336).

Almost surely, 2^{1642803594960} is an apocalyptic number.

1642803594960 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 1642803594960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2780696666880).

1642803594960 is an abundant number, since it is smaller than the sum of its proper divisors (3918589738800).

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

1642803594960 is a wasteful number, since it uses less digits than its factorization.

1642803594960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641857 (or 641851 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 57.

The spelling of 1642803594960 in words is "one trillion, six hundred forty-two billion, eight hundred three million, five hundred ninety-four thousand, nine hundred sixty".