1304051166720 has 800 divisors, whose sum is σ = 5006152898208. Its totient is φ = 323275456512.

The previous prime is 1304051166709. The next prime is 1304051166751. The reversal of 1304051166720 is 276611504031.

1304051166720 is a `hidden beast` number, since 1 + 30 + 40 + 511 + 6 + 6 + 72 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 292582732 + ... + 292587188.

Almost surely, 2^{1304051166720} is an apocalyptic number.

1304051166720 is a gapful number since it is divisible by the number (10) 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 1304051166720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2503076449104).

1304051166720 is an abundant number, since it is smaller than the sum of its proper divisors (3702101731488).

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

1304051166720 is an equidigital number, since it uses as much as digits as its factorization.

1304051166720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4592 (or 4567 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 1304051166720 in words is "one trillion, three hundred four billion, fifty-one million, one hundred sixty-six thousand, seven hundred twenty".