1996602551424 has 192 divisors, whose sum is σ = 6192447501240. Its totient is φ = 613836914688.

The previous prime is 1996602551417. The next prime is 1996602551483. The reversal of 1996602551424 is 4241552066991.

It is a happy number.

1996602551424 is a `hidden beast` number, since 1 + 9 + 9 + 6 + 60 + 2 + 551 + 4 + 24 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1779662721600 + 216939829824 = 1334040^2 + 465768^2 .

It is a tau number, because it is divible by the number of its divisors (192).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18471424 + ... + 18579200.

Almost surely, 2^{1996602551424} 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 1996602551424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3096223750620).

1996602551424 is an abundant number, since it is smaller than the sum of its proper divisors (4195844949816).

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

1996602551424 is a wasteful number, since it uses less digits than its factorization.

1996602551424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109047 (or 109032 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The spelling of 1996602551424 in words is "one trillion, nine hundred ninety-six billion, six hundred two million, five hundred fifty-one thousand, four hundred twenty-four".