158722143541920 has 672 divisors, whose sum is σ = 642660848686080. Its totient is φ = 36272001761280.

The previous prime is 158722143541909. The next prime is 158722143541999. The reversal of 158722143541920 is 29145341227851.

158722143541920 is a `hidden beast` number, since 1 + 5 + 8 + 7 + 2 + 2 + 1 + 4 + 3 + 541 + 92 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 4728218896 + ... + 4728252464.

It is an arithmetic number, because the mean of its divisors is an integer number (956340548640).

Almost surely, 2^{158722143541920} is an apocalyptic number.

158722143541920 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 158722143541920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321330424343040).

158722143541920 is an abundant number, since it is smaller than the sum of its proper divisors (483938705144160).

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

158722143541920 is an equidigital number, since it uses as much as digits as its factorization.

158722143541920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39400 (or 39377 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 158722143541920 in words is "one hundred fifty-eight trillion, seven hundred twenty-two billion, one hundred forty-three million, five hundred forty-one thousand, nine hundred twenty".