158946538000 has 40 divisors (see below), whose sum is σ = 384332733720. Its totient is φ = 63578614400.

The previous prime is 158946537917. The next prime is 158946538019. The reversal of 158946538000 is 835649851.

It can be written as a sum of positive squares in 4 ways, for example, as 227165184 + 158719372816 = 15072^2 + 398396^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×158946538000³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39734635 + ... + 39738634.

It is an arithmetic number, because the mean of its divisors is an integer number (9608318343).

Almost surely, 2^158946538000 is an apocalyptic number.

158946538000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158946538000 is an abundant number, since it is smaller than the sum of its proper divisors (225386195720).

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

158946538000 is an equidigital number, since it uses as much as digits as its factorization.

158946538000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79473292 (or 79473276 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 49.

The spelling of 158946538000 in words is "one hundred fifty-eight billion, nine hundred forty-six million, five hundred thirty-eight thousand".