158354412820 has 96 divisors (see below), whose sum is σ = 373306147200. Its totient is φ = 56071471104.

The previous prime is 158354412817. The next prime is 158354412829. The reversal of 158354412820 is 28214453851.

It is a super-3 number, since 3×158354412820³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158354412829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 809764 + ... + 986116.

It is an arithmetic number, because the mean of its divisors is an integer number (3888605700).

Almost surely, 2^158354412820 is an apocalyptic number.

158354412820 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 158354412820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186653073600).

158354412820 is an abundant number, since it is smaller than the sum of its proper divisors (214951734380).

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

158354412820 is a wasteful number, since it uses less digits than its factorization.

158354412820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176537 (or 176535 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 43.

The spelling of 158354412820 in words is "one hundred fifty-eight billion, three hundred fifty-four million, four hundred twelve thousand, eight hundred twenty".