6776136616 has 8 divisors (see below), whose sum is σ = 12705256170. Its totient is φ = 3388068304.

The previous prime is 6776136569. The next prime is 6776136629. The reversal of 6776136616 is 6166316776.

It can be written as a sum of positive squares in only one way, i.e., 6258392100 + 517744516 = 79110^2 + 22754^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×6776136616³ (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6776136616.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 423508531 + ... + 423508546.

Almost surely, 2^6776136616 is an apocalyptic number.

It is an amenable number.

6776136616 is a deficient number, since it is larger than the sum of its proper divisors (5929119554).

6776136616 is a wasteful number, since it uses less digits than its factorization.

6776136616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847017083 (or 847017079 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 49.

The square root of 6776136616 is about 82317.2923267037. The cubic root of 6776136616 is about 1892.3176978881.

The spelling of 6776136616 in words is "six billion, seven hundred seventy-six million, one hundred thirty-six thousand, six hundred sixteen".