1994616854208 has 896 divisors, whose sum is σ = 6999807590400. Its totient is φ = 550242201600.

The previous prime is 1994616854201. The next prime is 1994616854299. The reversal of 1994616854208 is 8024586164991.

1994616854208 is a `hidden beast` number, since 1 + 9 + 9 + 4 + 616 + 8 + 5 + 4 + 2 + 0 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (1994616854201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1824900510 + ... + 1824901602.

Almost surely, 2^{1994616854208} is an apocalyptic number.

1994616854208 is a gapful number since it is divisible by the number (18) 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 1994616854208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3499903795200).

1994616854208 is an abundant number, since it is smaller than the sum of its proper divisors (5005190736192).

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

1994616854208 is a wasteful number, since it uses less digits than its factorization.

1994616854208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338 (or 1322 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 63.

The spelling of 1994616854208 in words is "one trillion, nine hundred ninety-four billion, six hundred sixteen million, eight hundred fifty-four thousand, two hundred eight".