1600806799872 has 360 divisors, whose sum is σ = 5573398967136. Its totient is φ = 457371629568.

The previous prime is 1600806799861. The next prime is 1600806799901. The reversal of 1600806799872 is 2789976080061.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5965093 + ... + 6227675.

Almost surely, 2^{1600806799872} is an apocalyptic number.

1600806799872 is a gapful number since it is divisible by the number (12) 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 1600806799872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2786699483568).

1600806799872 is an abundant number, since it is smaller than the sum of its proper divisors (3972592167264).

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

1600806799872 is an frugal number, since it uses more digits than its factorization.

1600806799872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262630 (or 262595 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 63.

The spelling of 1600806799872 in words is "one trillion, six hundred billion, eight hundred six million, seven hundred ninety-nine thousand, eight hundred seventy-two".