158461641200 has 120 divisors (see below), whose sum is σ = 385726072368. Its totient is φ = 62550282240.

The previous prime is 158461641197. The next prime is 158461641223. The reversal of 158461641200 is 2146164851.

It is a super-2 number, since 2×158461641200² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37082264 + ... + 37086536.

Almost surely, 2^158461641200 is an apocalyptic number.

158461641200 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 158461641200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192863036184).

158461641200 is an abundant number, since it is smaller than the sum of its proper divisors (227264431168).

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

158461641200 is a wasteful number, since it uses less digits than its factorization.

158461641200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5491 (or 5480 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The spelling of 158461641200 in words is "one hundred fifty-eight billion, four hundred sixty-one million, six hundred forty-one thousand, two hundred".