1683651666048 has 192 divisors, whose sum is σ = 4952723317920. Its totient is φ = 502576926720.

The previous prime is 1683651666023. The next prime is 1683651666061. The reversal of 1683651666048 is 8406661563861.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×1683651666048² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1683651665982 and 1683651666000.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18917140 + ... + 19005932.

Almost surely, 2^{1683651666048} 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 1683651666048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2476361658960).

1683651666048 is an abundant number, since it is smaller than the sum of its proper divisors (3269071651872).

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

1683651666048 is an equidigital number, since it uses as much as digits as its factorization.

1683651666048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88955 (or 88876 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 60.

The spelling of 1683651666048 in words is "one trillion, six hundred eighty-three billion, six hundred fifty-one million, six hundred sixty-six thousand, forty-eight".