6772567511656 has 16 divisors (see below), whose sum is σ = 12699262809540. Its totient is φ = 3386097429120.

The previous prime is 6772567511617. The next prime is 6772567511683. The reversal of 6772567511656 is 6561157652776.

It can be written as a sum of positive squares in 2 ways, for example, as 4973390612100 + 1799176899556 = 2230110^2 + 1341334^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23136301 + ... + 23427196.

Almost surely, 2^{6772567511656} is an apocalyptic number.

It is an amenable number.

6772567511656 is a deficient number, since it is larger than the sum of its proper divisors (5926695297884).

6772567511656 is a wasteful number, since it uses less digits than its factorization.

6772567511656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46581684 (or 46581680 counting only the distinct ones).

The product of its digits is 111132000, while the sum is 64.

The spelling of 6772567511656 in words is "six trillion, seven hundred seventy-two billion, five hundred sixty-seven million, five hundred eleven thousand, six hundred fifty-six".