1304061066 has 256 divisors, whose sum is σ = 3810263040. Its totient is φ = 320760000.

The previous prime is 1304061053. The next prime is 1304061071. The reversal of 1304061066 is 6601604031.

1304061066 is a `hidden beast` number, since 1 + 3 + 0 + 40 + 610 + 6 + 6 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8636091 + ... + 8636241.

It is an arithmetic number, because the mean of its divisors is an integer number (14883840).

Almost surely, 2^1304061066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1304061066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1905131520).

1304061066 is an abundant number, since it is smaller than the sum of its proper divisors (2506201974).

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

1304061066 is a wasteful number, since it uses less digits than its factorization.

1304061066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1304061066 is about 36111.7856938701. The cubic root of 1304061066 is about 1092.5281679992.

Adding to 1304061066 its reverse (6601604031), we get a palindrome (7905665097).

The spelling of 1304061066 in words is "one billion, three hundred four million, sixty-one thousand, sixty-six".