158691123360 has 1152 divisors, whose sum is σ = 709019910144. Its totient is φ = 31362785280.

The previous prime is 158691123359. The next prime is 158691123389. The reversal of 158691123360 is 63321196851.

158691123360 is a `hidden beast` number, since 1 + 5 + 86 + 91 + 123 + 360 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 192819909 + ... + 192820731.

It is an arithmetic number, because the mean of its divisors is an integer number (615468672).

Almost surely, 2^158691123360 is an apocalyptic number.

158691123360 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 158691123360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (354509955072).

158691123360 is an abundant number, since it is smaller than the sum of its proper divisors (550328786784).

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

158691123360 is a wasteful number, since it uses less digits than its factorization.

158691123360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946 (or 935 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 158691123360 in words is "one hundred fifty-eight billion, six hundred ninety-one million, one hundred twenty-three thousand, three hundred sixty".