1802601216 has 252 divisors, whose sum is σ = 5817575568. Its totient is φ = 553900032.

The previous prime is 1802601181. The next prime is 1802601259. The reversal of 1802601216 is 6121062081.

It is a super-2 number, since 2×1802601216² = 6498742287849357312, 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 1802601216.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 2425741 + ... + 2426483.

Almost surely, 2^1802601216 is an apocalyptic number.

1802601216 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 1802601216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2908787784).

1802601216 is an abundant number, since it is smaller than the sum of its proper divisors (4014974352).

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

1802601216 is an frugal number, since it uses more digits than its factorization.

1802601216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790 (or 761 counting only the distinct ones).

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

The square root of 1802601216 is about 42457.0514284730. The cubic root of 1802601216 is about 1217.0260845265.

Adding to 1802601216 its reverse (6121062081), we get a palindrome (7923663297).

It can be divided in two parts, 180260 and 1216, that added together give a square (181476 = 426²).

The spelling of 1802601216 in words is "one billion, eight hundred two million, six hundred one thousand, two hundred sixteen".