158546540544 has 192 divisors, whose sum is σ = 484549228800. Its totient is φ = 45160464384.

The previous prime is 158546540543. The next prime is 158546540563. The reversal of 158546540544 is 445045645851.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158546540543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14488227 + ... + 14499165.

It is an arithmetic number, because the mean of its divisors is an integer number (2523693900).

Almost surely, 2^158546540544 is an apocalyptic number.

158546540544 is a gapful number since it is divisible by the number (14) 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 158546540544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242274614400).

158546540544 is an abundant number, since it is smaller than the sum of its proper divisors (326002688256).

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

158546540544 is a wasteful number, since it uses less digits than its factorization.

158546540544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11308 (or 11288 counting only the distinct ones).

The product of its (nonzero) digits is 7680000, while the sum is 51.

The spelling of 158546540544 in words is "one hundred fifty-eight billion, five hundred forty-six million, five hundred forty thousand, five hundred forty-four".