994662789120 has 2080 divisors, whose sum is σ = 4795391462400. Its totient is φ = 190465966080.

The previous prime is 994662789103. The next prime is 994662789137. The reversal of 994662789120 is 21987266499.

994662789120 is a `hidden beast` number, since 99 + 466 + 2 + 7 + 89 + 1 + 2 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (994662789103) and next prime (994662789137).

It is a tau number, because it is divible by the number of its divisors (2080).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1660538581 + ... + 1660539179.

Almost surely, 2^994662789120 is an apocalyptic number.

994662789120 is a gapful number since it is divisible by the number (90) 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 994662789120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2397695731200).

994662789120 is an abundant number, since it is smaller than the sum of its proper divisors (3800728673280).

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

994662789120 is a wasteful number, since it uses less digits than its factorization.

994662789120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 63.

The spelling of 994662789120 in words is "nine hundred ninety-four billion, six hundred sixty-two million, seven hundred eighty-nine thousand, one hundred twenty".