1602801216 has 112 divisors (see below), whose sum is σ = 4746548800. Its totient is φ = 530343936.

The previous prime is 1602801199. The next prime is 1602801229. The reversal of 1602801216 is 6121082061.

It is a super-2 number, since 2×1602801216² = 5137943476022157312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1602801216.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236856 + ... + 243528.

It is an arithmetic number, because the mean of its divisors is an integer number (42379900).

Almost surely, 2^1602801216 is an apocalyptic number.

1602801216 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 1602801216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2373274400).

1602801216 is an abundant number, since it is smaller than the sum of its proper divisors (3143747584).

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

1602801216 is a wasteful number, since it uses less digits than its factorization.

1602801216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6833 (or 6817 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1602801216 is about 40034.9998875984. Note that the first 3 decimals coincide. The cubic root of 1602801216 is about 1170.2892644411.

Adding to 1602801216 its reverse (6121082061), we get a palindrome (7723883277).

The spelling of 1602801216 in words is "one billion, six hundred two million, eight hundred one thousand, two hundred sixteen".