158458680891648 has 90 divisors (see below), whose sum is σ = 472495114751814. Its totient is φ = 52819560290304.

The previous prime is 158458680891587. The next prime is 158458680891673. The reversal of 158458680891648 is 846198086854851.

158458680891648 is a `hidden beast` number, since 1 + 5 + 8 + 458 + 6 + 80 + 89 + 1 + 6 + 4 + 8 = 666.

158458680891648 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 125598821439744 + 32859859451904 = 11207088^2 + 5732352^2 .

It is a super-2 number, since 2×158458680891648² (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (81) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3820838661 + ... + 3820880132.

Almost surely, 2^{158458680891648} is an apocalyptic number.

158458680891648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

158458680891648 is an abundant number, since it is smaller than the sum of its proper divisors (314036433860166).

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

158458680891648 is an frugal number, since it uses more digits than its factorization.

158458680891648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7641718821 (or 7641718798 counting only the distinct ones).

The product of its (nonzero) digits is 4246732800, while the sum is 81.

The spelling of 158458680891648 in words is "one hundred fifty-eight trillion, four hundred fifty-eight billion, six hundred eighty million, eight hundred ninety-one thousand, six hundred forty-eight".