158963212800 has 1440 divisors, whose sum is σ = 692611920000. Its totient is φ = 36090593280.

The previous prime is 158963212721. The next prime is 158963212819. The reversal of 158963212800 is 8212369851.

158963212800 is a `hidden beast` number, since 1 + 5 + 8 + 9 + 632 + 1 + 2 + 8 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1440).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1066867126 + ... + 1066867274.

It is an arithmetic number, because the mean of its divisors is an integer number (480980500).

Almost surely, 2^158963212800 is an apocalyptic number.

158963212800 is a gapful number since it is divisible by the number (10) 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 158963212800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346305960000).

158963212800 is an abundant number, since it is smaller than the sum of its proper divisors (533648707200).

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

158963212800 is an frugal number, since it uses more digits than its factorization.

158963212800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 158963212800 in words is "one hundred fifty-eight billion, nine hundred sixty-three million, two hundred twelve thousand, eight hundred".