158165940448 has 48 divisors (see below), whose sum is σ = 315437976000. Its totient is φ = 78055391232.

The previous prime is 158165940419. The next prime is 158165940473. The reversal of 158165940448 is 844049561851.

It is a congruent number.

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, 8912448 + ... + 8930176.

It is an arithmetic number, because the mean of its divisors is an integer number (6571624500).

Almost surely, 2^158165940448 is an apocalyptic number.

It is an amenable number.

158165940448 is a deficient number, since it is larger than the sum of its proper divisors (157272035552).

158165940448 is a wasteful number, since it uses less digits than its factorization.

158165940448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21347 (or 21339 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 55.

The spelling of 158165940448 in words is "one hundred fifty-eight billion, one hundred sixty-five million, nine hundred forty thousand, four hundred forty-eight".