1648686012288 has 96 divisors (see below), whose sum is σ = 5094313661160. Its totient is φ = 471053140992.

The previous prime is 1648686012269. The next prime is 1648686012293. The reversal of 1648686012288 is 8822106868461.

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

It is a super-2 number, since 2×1648686012288² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43791931 + ... + 43829562.

Almost surely, 2^{1648686012288} is an apocalyptic number.

It is an amenable number.

1648686012288 is an abundant number, since it is smaller than the sum of its proper divisors (3445627648872).

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

1648686012288 is an equidigital number, since it uses as much as digits as its factorization.

1648686012288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87621524 (or 87621505 counting only the distinct ones).

The product of its (nonzero) digits is 14155776, while the sum is 60.

The spelling of 1648686012288 in words is "one trillion, six hundred forty-eight billion, six hundred eighty-six million, twelve thousand, two hundred eighty-eight".