158947190307840 has 704 divisors, whose sum is σ = 574298503538688. Its totient is φ = 37491050741760.

The previous prime is 158947190307823. The next prime is 158947190307859. The reversal of 158947190307840 is 48703091749851.

It is a tau number, because it is divible by the number of its divisors (704).

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 756328857 + ... + 756538983.

Almost surely, 2^{158947190307840} is an apocalyptic number.

158947190307840 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 158947190307840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287149251769344).

158947190307840 is an abundant number, since it is smaller than the sum of its proper divisors (415351313230848).

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

158947190307840 is a wasteful number, since it uses less digits than its factorization.

158947190307840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210225 (or 210185 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 66.

The spelling of 158947190307840 in words is "one hundred fifty-eight trillion, nine hundred forty-seven billion, one hundred ninety million, three hundred seven thousand, eight hundred forty".