158371968 has 64 divisors (see below), whose sum is σ = 425829600. Its totient is φ = 52144128.

The previous prime is 158371957. The next prime is 158371981. The reversal of 158371968 is 869173851.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 29388 + ... + 34356.

Almost surely, 2^158371968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158371968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212914800).

158371968 is an abundant number, since it is smaller than the sum of its proper divisors (267457632).

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

158371968 is an equidigital number, since it uses as much as digits as its factorization.

158371968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5069 (or 5057 counting only the distinct ones).

The product of its digits is 362880, while the sum is 48.

The square root of 158371968 is about 12584.5924844629. The cubic root of 158371968 is about 541.0359263785.

The spelling of 158371968 in words is "one hundred fifty-eight million, three hundred seventy-one thousand, nine hundred sixty-eight".