6672765600641 has 6 divisors (see below), whose sum is σ = 7762196719170. Its totient is φ = 5719513371936.

The previous prime is 6672765600637. The next prime is 6672765600643. The reversal of 6672765600641 is 1460065672766.

It can be written as a sum of positive squares in only one way, i.e., 3931436356225 + 2741329244416 = 1982785^2 + 1655696^2 .

It is not a de Polignac number, because 6672765600641 - 2² = 6672765600637 is a prime.

It is a super-2 number, since 2×6672765600641² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6672765600643) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68089444856 + ... + 68089444953.

It is an arithmetic number, because the mean of its divisors is an integer number (1293699453195).

Almost surely, 2^{6672765600641} is an apocalyptic number.

It is an amenable number.

6672765600641 is a deficient number, since it is larger than the sum of its proper divisors (1089431118529).

6672765600641 is a wasteful number, since it uses less digits than its factorization.

6672765600641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136178889823 (or 136178889816 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 56.

The spelling of 6672765600641 in words is "six trillion, six hundred seventy-two billion, seven hundred sixty-five million, six hundred thousand, six hundred forty-one".