1988375816572 has 12 divisors (see below), whose sum is σ = 3484291050016. Its totient is φ = 992864088000.

The previous prime is 1988375816549. The next prime is 1988375816639. The reversal of 1988375816572 is 2756185738891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330951693 + ... + 330957700.

Almost surely, 2^{1988375816572} is an apocalyptic number.

It is an amenable number.

1988375816572 is a deficient number, since it is larger than the sum of its proper divisors (1495915233444).

1988375816572 is a wasteful number, since it uses less digits than its factorization.

1988375816572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661910148 (or 661910146 counting only the distinct ones).

The product of its digits is 203212800, while the sum is 70.

The spelling of 1988375816572 in words is "one trillion, nine hundred eighty-eight billion, three hundred seventy-five million, eight hundred sixteen thousand, five hundred seventy-two".