158278417968 has 80 divisors (see below), whose sum is σ = 447633956736. Its totient is φ = 47793630720.

The previous prime is 158278417939. The next prime is 158278417993. The reversal of 158278417968 is 869714872851.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a junction number, because it is equal to n+sod(n) for n = 158278417899 and 158278417908.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 380205 + ... + 679052.

Almost surely, 2^158278417968 is an apocalyptic number.

It is an amenable number.

158278417968 is an abundant number, since it is smaller than the sum of its proper divisors (289355538768).

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

158278417968 is a wasteful number, since it uses less digits than its factorization.

158278417968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059562 (or 1059556 counting only the distinct ones).

The product of its digits is 54190080, while the sum is 66.

The spelling of 158278417968 in words is "one hundred fifty-eight billion, two hundred seventy-eight million, four hundred seventeen thousand, nine hundred sixty-eight".