16776777060 has 36 divisors (see below), whose sum is σ = 50889557628. Its totient is φ = 4473807168.

The previous prime is 16776777053. The next prime is 16776777137. The reversal of 16776777060 is 6077767761.

It can be written as a sum of positive squares in 2 ways, for example, as 1725903936 + 15050873124 = 41544^2 + 122682^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 16776776988 and 16776777006.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46601979 + ... + 46602338.

It is an arithmetic number, because the mean of its divisors is an integer number (1413598823).

Almost surely, 2^16776777060 is an apocalyptic number.

16776777060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16776777060 is an abundant number, since it is smaller than the sum of its proper divisors (34112780568).

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

16776777060 is a wasteful number, since it uses less digits than its factorization.

16776777060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93204332 (or 93204327 counting only the distinct ones).

The product of its (nonzero) digits is 3630312, while the sum is 54.

The spelling of 16776777060 in words is "sixteen billion, seven hundred seventy-six million, seven hundred seventy-seven thousand, sixty".