164077877828 has 12 divisors (see below), whose sum is σ = 287775791100. Its totient is φ = 81856223232.

The previous prime is 164077877827. The next prime is 164077877849. The reversal of 164077877828 is 828778770461.

164077877828 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 114245352004 + 49832525824 = 338002^2 + 223232^2 .

It is not an unprimeable number, because it can be changed into a prime (164077877827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45676901 + ... + 45680492.

It is an arithmetic number, because the mean of its divisors is an integer number (23981315925).

Almost surely, 2^164077877828 is an apocalyptic number.

It is an amenable number.

164077877828 is a deficient number, since it is larger than the sum of its proper divisors (123697913272).

164077877828 is a wasteful number, since it uses less digits than its factorization.

164077877828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91357846 (or 91357844 counting only the distinct ones).

The product of its (nonzero) digits is 59006976, while the sum is 65.

The spelling of 164077877828 in words is "one hundred sixty-four billion, seventy-seven million, eight hundred seventy-seven thousand, eight hundred twenty-eight".