1516887649552 has 80 divisors (see below), whose sum is σ = 3247557857280. Its totient is φ = 680593680000.

The previous prime is 1516887649547. The next prime is 1516887649561. The reversal of 1516887649552 is 2559467886151.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66046423 + ... + 66069385.

It is an arithmetic number, because the mean of its divisors is an integer number (40594473216).

Almost surely, 2^{1516887649552} 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 1516887649552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1623778928640).

1516887649552 is an abundant number, since it is smaller than the sum of its proper divisors (1730670207728).

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

1516887649552 is a wasteful number, since it uses less digits than its factorization.

1516887649552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27812 (or 27806 counting only the distinct ones).

The product of its digits is 145152000, while the sum is 67.

The spelling of 1516887649552 in words is "one trillion, five hundred sixteen billion, eight hundred eighty-seven million, six hundred forty-nine thousand, five hundred fifty-two".