1683606368628 has 36 divisors (see below), whose sum is σ = 4263920064768. Its totient is φ = 560129072400.

The previous prime is 1683606368593. The next prime is 1683606368641. The reversal of 1683606368628 is 8268636063861.

1683606368628 is a `hidden beast` number, since 16 + 8 + 3 + 606 + 3 + 6 + 8 + 6 + 2 + 8 = 666.

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

It is a super-2 number, since 2×1683606368628² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44691348 + ... + 44729003.

Almost surely, 2^{1683606368628} is an apocalyptic number.

1683606368628 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1683606368628 is an abundant number, since it is smaller than the sum of its proper divisors (2580313696140).

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

1683606368628 is a wasteful number, since it uses less digits than its factorization.

1683606368628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89420884 (or 89420879 counting only the distinct ones).

The product of its (nonzero) digits is 71663616, while the sum is 63.

The spelling of 1683606368628 in words is "one trillion, six hundred eighty-three billion, six hundred six million, three hundred sixty-eight thousand, six hundred twenty-eight".