994371147000 has 640 divisors, whose sum is σ = 4333591342080. Its totient is φ = 206621280000.

The previous prime is 994371146971. The next prime is 994371147019. The reversal of 994371147000 is 741173499.

994371147000 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 6157285 + ... + 6316715.

It is an arithmetic number, because the mean of its divisors is an integer number (6771236472).

Almost surely, 2^994371147000 is an apocalyptic number.

994371147000 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 994371147000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2166795671040).

994371147000 is an abundant number, since it is smaller than the sum of its proper divisors (3339220195080).

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

994371147000 is a wasteful number, since it uses less digits than its factorization.

994371147000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159482 (or 159459 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The spelling of 994371147000 in words is "nine hundred ninety-four billion, three hundred seventy-one million, one hundred forty-seven thousand".