1618602064 has 10 divisors (see below), whose sum is σ = 3136041530. Its totient is φ = 809301024.

The previous prime is 1618602061. The next prime is 1618602091. The reversal of 1618602064 is 4602068161.

It can be written as a sum of positive squares in only one way, i.e., 1128422464 + 490179600 = 33592^2 + 22140^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1618602061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50581299 + ... + 50581330.

It is an arithmetic number, because the mean of its divisors is an integer number (313604153).

Almost surely, 2^1618602064 is an apocalyptic number.

It is an amenable number.

1618602064 is a deficient number, since it is larger than the sum of its proper divisors (1517439466).

1618602064 is a wasteful number, since it uses less digits than its factorization.

1618602064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101162637 (or 101162631 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 1618602064 is about 40231.8538474180. The cubic root of 1618602064 is about 1174.1223720204.

The spelling of 1618602064 in words is "one billion, six hundred eighteen million, six hundred two thousand, sixty-four".