158683642690608 has 400 divisors, whose sum is σ = 560502733148160. Its totient is φ = 42362705548800.

The previous prime is 158683642690597. The next prime is 158683642690631. The reversal of 158683642690608 is 806096246386851.

158683642690608 is a `hidden beast` number, since 1 + 5 + 8 + 6 + 8 + 3 + 6 + 4 + 2 + 6 + 9 + 0 + 608 = 666.

It is a super-2 number, since 2×158683642690608² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1572628 + ... + 17884083.

Almost surely, 2^{158683642690608} is an apocalyptic number.

158683642690608 is a gapful number since it is divisible by the number (18) 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 158683642690608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280251366574080).

158683642690608 is an abundant number, since it is smaller than the sum of its proper divisors (401819090457552).

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

158683642690608 is a wasteful number, since it uses less digits than its factorization.

158683642690608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19456798 (or 19456783 counting only the distinct ones).

The product of its (nonzero) digits is 716636160, while the sum is 72.

The spelling of 158683642690608 in words is "one hundred fifty-eight trillion, six hundred eighty-three billion, six hundred forty-two million, six hundred ninety thousand, six hundred eight".