1550561160516 has 24 divisors (see below), whose sum is σ = 3618173047104. Its totient is φ = 516825576480.

The previous prime is 1550561160487. The next prime is 1550561160571. The reversal of 1550561160516 is 6150611650551.

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 7 ways as a sum of consecutive naturals, for example, 3287800 + ... + 3729711.

It is an arithmetic number, because the mean of its divisors is an integer number (150757210296).

Almost surely, 2^{1550561160516} is an apocalyptic number.

It is an amenable number.

1550561160516 is an abundant number, since it is smaller than the sum of its proper divisors (2067611886588).

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

1550561160516 is a wasteful number, since it uses less digits than its factorization.

1550561160516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7035931 (or 7035929 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 42.

The spelling of 1550561160516 in words is "one trillion, five hundred fifty billion, five hundred sixty-one million, one hundred sixty thousand, five hundred sixteen".