1248965656416 has 36 divisors (see below), whose sum is σ = 3551746086252. Its totient is φ = 416321885376.

The previous prime is 1248965656403. The next prime is 1248965656423. The reversal of 1248965656416 is 6146565698421.

1248965656416 is a `hidden beast` number, since 1 + 2 + 4 + 8 + 9 + 6 + 56 + 564 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2168342866 + ... + 2168343441.

It is an arithmetic number, because the mean of its divisors is an integer number (98659613507).

Almost surely, 2^{1248965656416} is an apocalyptic number.

1248965656416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1248965656416 is an abundant number, since it is smaller than the sum of its proper divisors (2302780429836).

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

1248965656416 is a wasteful number, since it uses less digits than its factorization.

1248965656416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4336686323 (or 4336686312 counting only the distinct ones).

The product of its digits is 74649600, while the sum is 63.

The spelling of 1248965656416 in words is "one trillion, two hundred forty-eight billion, nine hundred sixty-five million, six hundred fifty-six thousand, four hundred sixteen".