1600065660060 has 144 divisors (see below), whose sum is σ = 5550414105600. Its totient is φ = 365497218432.

The previous prime is 1600065660049. The next prime is 1600065660073. The reversal of 1600065660060 is 600665600061.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1600065659997 and 1600065660024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1587421 + ... + 2391659.

It is an arithmetic number, because the mean of its divisors is an integer number (38544542400).

Almost surely, 2^{1600065660060} is an apocalyptic number.

1600065660060 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 1600065660060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2775207052800).

1600065660060 is an abundant number, since it is smaller than the sum of its proper divisors (3950348445540).

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

1600065660060 is a wasteful number, since it uses less digits than its factorization.

1600065660060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805840 (or 805835 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 1600065660060 in words is "one trillion, six hundred billion, sixty-five million, six hundred sixty thousand, sixty".