1518168601056 has 96 divisors (see below), whose sum is σ = 4042742054400. Its totient is φ = 498770887680.

The previous prime is 1518168601031. The next prime is 1518168601067. The reversal of 1518168601056 is 6501068618151.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 1518168600996 and 1518168601014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4139391 + ... + 4491201.

It is an arithmetic number, because the mean of its divisors is an integer number (42111896400).

Almost surely, 2^{1518168601056} is an apocalyptic number.

1518168601056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1518168601056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2021371027200).

1518168601056 is an abundant number, since it is smaller than the sum of its proper divisors (2524573453344).

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

1518168601056 is a wasteful number, since it uses less digits than its factorization.

1518168601056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352472 (or 352464 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 48.

The spelling of 1518168601056 in words is "one trillion, five hundred eighteen billion, one hundred sixty-eight million, six hundred one thousand, fifty-six".