9445921552158 has 64 divisors (see below), whose sum is σ = 23570012992512. Its totient is φ = 2457105580800.

The previous prime is 9445921552141. The next prime is 9445921552159. The reversal of 9445921552158 is 8512551295449.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9445921552159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118454818 + ... + 118534533.

It is an arithmetic number, because the mean of its divisors is an integer number (368281453008).

Almost surely, 2^{9445921552158} is an apocalyptic number.

9445921552158 is an abundant number, since it is smaller than the sum of its proper divisors (14124091440354).

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

9445921552158 is a wasteful number, since it uses less digits than its factorization.

9445921552158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236989449.

The product of its digits is 25920000, while the sum is 60.

The spelling of 9445921552158 in words is "nine trillion, four hundred forty-five billion, nine hundred twenty-one million, five hundred fifty-two thousand, one hundred fifty-eight".