1646267982996 has 192 divisors, whose sum is σ = 4790628864000. Its totient is φ = 428418422784.

The previous prime is 1646267982991. The next prime is 1646267983039. The reversal of 1646267982996 is 6992897626461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1646267982991) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 76032780 + ... + 76054428.

It is an arithmetic number, because the mean of its divisors is an integer number (24951192000).

Almost surely, 2^{1646267982996} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1646267982996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2395314432000).

1646267982996 is an abundant number, since it is smaller than the sum of its proper divisors (3144360881004).

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

1646267982996 is a wasteful number, since it uses less digits than its factorization.

1646267982996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22598 (or 22596 counting only the distinct ones).

The product of its digits is 846526464, while the sum is 75.

The spelling of 1646267982996 in words is "one trillion, six hundred forty-six billion, two hundred sixty-seven million, nine hundred eighty-two thousand, nine hundred ninety-six".