1591294396068 has 360 divisors, whose sum is σ = 4568953316928. Its totient is φ = 482677408512.

The previous prime is 1591294396067. The next prime is 1591294396091. The reversal of 1591294396068 is 8606934921951.

1591294396068 is a `hidden beast` number, since 1 + 5 + 9 + 12 + 9 + 4 + 3 + 9 + 606 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1591294395996 and 1591294396014.

It is not an unprimeable number, because it can be changed into a prime (1591294396067) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1596082146 + ... + 1596083142.

Almost surely, 2^{1591294396068} is an apocalyptic number.

1591294396068 is a gapful number since it is divisible by the number (18) 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 1591294396068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2284476658464).

1591294396068 is an abundant number, since it is smaller than the sum of its proper divisors (2977658920860).

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

1591294396068 is a wasteful number, since it uses less digits than its factorization.

1591294396068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425 (or 1401 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 63.

The spelling of 1591294396068 in words is "one trillion, five hundred ninety-one billion, two hundred ninety-four million, three hundred ninety-six thousand, sixty-eight".