1146664047474 has 288 divisors, whose sum is σ = 2966794459200. Its totient is φ = 317133895680.

The previous prime is 1146664047469. The next prime is 1146664047497. The reversal of 1146664047474 is 4747404666411.

It is a self number, because there is not a number n which added to its sum of digits gives 1146664047474.

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 143 ways as a sum of consecutive naturals, for example, 802423392 + ... + 802424820.

It is an arithmetic number, because the mean of its divisors is an integer number (10301369650).

Almost surely, 2^{1146664047474} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1146664047474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1483397229600).

1146664047474 is an abundant number, since it is smaller than the sum of its proper divisors (1820130411726).

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

1146664047474 is a wasteful number, since it uses less digits than its factorization.

1146664047474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898 (or 1878 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 54.

The spelling of 1146664047474 in words is "one trillion, one hundred forty-six billion, six hundred sixty-four million, forty-seven thousand, four hundred seventy-four".