158386947840 has 972 divisors, whose sum is σ = 626528061432. Its totient is φ = 36908974080.

The previous prime is 158386947833. The next prime is 158386947847. The reversal of 158386947840 is 48749683851.

158386947840 is a `hidden beast` number, since 1 + 5 + 83 + 86 + 9 + 478 + 4 + 0 = 666.

158386947840 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (158386947833) and next prime (158386947847).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158386947847) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 1908276439 + ... + 1908276521.

Almost surely, 2^158386947840 is an apocalyptic number.

158386947840 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 158386947840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313264030716).

158386947840 is an abundant number, since it is smaller than the sum of its proper divisors (468141113592).

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

158386947840 is a wasteful number, since it uses less digits than its factorization.

158386947840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 63.

The spelling of 158386947840 in words is "one hundred fifty-eight billion, three hundred eighty-six million, nine hundred forty-seven thousand, eight hundred forty".