1677066064 has 20 divisors (see below), whose sum is σ = 3251455956. Its totient is φ = 837980672.

The previous prime is 1677066049. The next prime is 1677066067. The reversal of 1677066064 is 4606607761.

It can be written as a sum of positive squares in 2 ways, for example, as 864360000 + 812706064 = 29400^2 + 28508^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1677066064.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1677066067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8899 + ... + 58594.

Almost surely, 2^1677066064 is an apocalyptic number.

It is an amenable number.

1677066064 is a deficient number, since it is larger than the sum of its proper divisors (1574389892).

1677066064 is a wasteful number, since it uses less digits than its factorization.

1677066064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69054 (or 69048 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 1677066064 is about 40951.9970697401. The cubic root of 1677066064 is about 1188.0919600654.

The spelling of 1677066064 in words is "one billion, six hundred seventy-seven million, sixty-six thousand, sixty-four".