1326606336 has 240 divisors, whose sum is σ = 4328644320. Its totient is φ = 401448960.

The previous prime is 1326606299. The next prime is 1326606341. The reversal of 1326606336 is 6336066231.

It is a happy number.

1326606336 is a `hidden beast` number, since 13 + 2 + 6 + 6 + 0 + 633 + 6 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1326606336.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1824405 + ... + 1825131.

It is an arithmetic number, because the mean of its divisors is an integer number (18036018).

Almost surely, 2^1326606336 is an apocalyptic number.

1326606336 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 1326606336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2164322160).

1326606336 is an abundant number, since it is smaller than the sum of its proper divisors (3002037984).

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

1326606336 is an equidigital number, since it uses as much as digits as its factorization.

1326606336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772 (or 743 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 36.

The square root of 1326606336 is about 36422.6074849124. The cubic root of 1326606336 is about 1098.7882899678.

The spelling of 1326606336 in words is "one billion, three hundred twenty-six million, six hundred six thousand, three hundred thirty-six".