1996677754056 has 128 divisors (see below), whose sum is σ = 5684454720000. Its totient is φ = 649000235520.

The previous prime is 1996677754031. The next prime is 1996677754061. The reversal of 1996677754056 is 6504577766991.

1996677754056 is a `hidden beast` number, since 1 + 9 + 9 + 6 + 6 + 7 + 77 + 540 + 5 + 6 = 666.

It is a super-2 number, since 2×1996677754056² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17913265 + ... + 18024383.

It is an arithmetic number, because the mean of its divisors is an integer number (44409802500).

Almost surely, 2^{1996677754056} 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 1996677754056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2842227360000).

1996677754056 is an abundant number, since it is smaller than the sum of its proper divisors (3687776965944).

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

1996677754056 is a wasteful number, since it uses less digits than its factorization.

1996677754056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113204 (or 113194 counting only the distinct ones).

The product of its (nonzero) digits is 600112800, while the sum is 72.

The spelling of 1996677754056 in words is "one trillion, nine hundred ninety-six billion, six hundred seventy-seven million, seven hundred fifty-four thousand, fifty-six".