158066539280 has 160 divisors (see below), whose sum is σ = 410622156000. Its totient is φ = 56185307136.

The previous prime is 158066539243. The next prime is 158066539343. The reversal of 158066539280 is 82935660851.

It can be written as a sum of positive squares in 16 ways, for example, as 51414655504 + 106651883776 = 226748^2 + 326576^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10518332 + ... + 10533348.

It is an arithmetic number, because the mean of its divisors is an integer number (2566388475).

Almost surely, 2^158066539280 is an apocalyptic number.

158066539280 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 158066539280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205311078000).

158066539280 is an abundant number, since it is smaller than the sum of its proper divisors (252555616720).

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

158066539280 is a wasteful number, since it uses less digits than its factorization.

158066539280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15421 (or 15415 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 53.

The spelling of 158066539280 in words is "one hundred fifty-eight billion, sixty-six million, five hundred thirty-nine thousand, two hundred eighty".