94921221600 has 432 divisors, whose sum is σ = 349314048720. Its totient is φ = 24876288000.

The previous prime is 94921221581. The next prime is 94921221601. The reversal of 94921221600 is 612212949.

94921221600 is a `hidden beast` number, since 9 + 4 + 9 + 21 + 2 + 21 + 600 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94921221601) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 80373010 + ... + 80374190.

It is an arithmetic number, because the mean of its divisors is an integer number (808597335).

Almost surely, 2^94921221600 is an apocalyptic number.

94921221600 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 94921221600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174657024360).

94921221600 is an abundant number, since it is smaller than the sum of its proper divisors (254392827120).

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

94921221600 is a wasteful number, since it uses less digits than its factorization.

94921221600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332 (or 1252 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 94921221600 in words is "ninety-four billion, nine hundred twenty-one million, two hundred twenty-one thousand, six hundred".