1602066816 has 256 divisors, whose sum is σ = 5522688000. Its totient is φ = 447676416.

The previous prime is 1602066803. The next prime is 1602066821. The reversal of 1602066816 is 6186602061.

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

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 1136320 + ... + 1137728.

It is an arithmetic number, because the mean of its divisors is an integer number (21573000).

Almost surely, 2^1602066816 is an apocalyptic number.

1602066816 is a gapful number since it is divisible by the number (16) 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 1602066816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2761344000).

1602066816 is an abundant number, since it is smaller than the sum of its proper divisors (3920621184).

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

1602066816 is a wasteful number, since it uses less digits than its factorization.

1602066816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486 (or 1468 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1602066816 is about 40025.8268621649. The cubic root of 1602066816 is about 1170.1104958102.

Adding to 1602066816 its reverse (6186602061), we get a palindrome (7788668877).

The spelling of 1602066816 in words is "one billion, six hundred two million, sixty-six thousand, eight hundred sixteen".