122160581778 has 16 divisors (see below), whose sum is σ = 244936586880. Its totient is φ = 40617623376.

The previous prime is 122160581773. The next prime is 122160581779. The reversal of 122160581778 is 877185061221.

122160581778 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (122160581773) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 25640058 + ... + 25644821.

It is an arithmetic number, because the mean of its divisors is an integer number (15308536680).

Almost surely, 2^122160581778 is an apocalyptic number.

122160581778 is an abundant number, since it is smaller than the sum of its proper divisors (122776005102).

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

122160581778 is a wasteful number, since it uses less digits than its factorization.

122160581778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51285281.

The product of its (nonzero) digits is 376320, while the sum is 48.

The spelling of 122160581778 in words is "one hundred twenty-two billion, one hundred sixty million, five hundred eighty-one thousand, seven hundred seventy-eight".