1336271616 has 216 divisors, whose sum is σ = 4063602816. Its totient is φ = 421724160.

The previous prime is 1336271611. The next prime is 1336271639. The reversal of 1336271616 is 6161726331.

1336271616 is a `hidden beast` number, since 1 + 3 + 3 + 627 + 16 + 16 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (1336271611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3785296 + ... + 3785648.

It is an arithmetic number, because the mean of its divisors is an integer number (18812976).

Almost surely, 2^1336271616 is an apocalyptic number.

1336271616 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 1336271616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2031801408).

1336271616 is an abundant number, since it is smaller than the sum of its proper divisors (2727331200).

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

1336271616 is a wasteful number, since it uses less digits than its factorization.

1336271616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459 (or 442 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 1336271616 is about 36555.0491177347. The cubic root of 1336271616 is about 1101.4503227576.

Adding to 1336271616 its reverse (6161726331), we get a palindrome (7497997947).

The spelling of 1336271616 in words is "one billion, three hundred thirty-six million, two hundred seventy-one thousand, six hundred sixteen".