158561687568384 has 189 divisors, whose sum is σ = 458178657144663. Its totient is φ = 52841001517056.

The previous prime is 158561687568373. The next prime is 158561687568443. The reversal of 158561687568384 is 483865786165851.

The square root of 158561687568384 is 12592128.

It is a perfect power (a square), and thus also a powerful number.

158561687568384 is a `hidden beast` number, since 1 + 5 + 8 + 5 + 6 + 16 + 8 + 7 + 568 + 38 + 4 = 666.

It is a super-2 number, since 2×158561687568384² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 38683015167 + ... + 38683019265.

Almost surely, 2^{158561687568384} is an apocalyptic number.

158561687568384 is the 12592128-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158561687568384

158561687568384 is an abundant number, since it is smaller than the sum of its proper divisors (299616969576279).

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

158561687568384 is an frugal number, since it uses more digits than its factorization.

158561687568384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8244 (or 4104 counting only the distinct ones).

The product of its digits is 9289728000, while the sum is 81.

The spelling of 158561687568384 in words is "one hundred fifty-eight trillion, five hundred sixty-one billion, six hundred eighty-seven million, five hundred sixty-eight thousand, three hundred eighty-four".