667107101044 has 6 divisors (see below), whose sum is σ = 1167437426834. Its totient is φ = 333553550520.

The previous prime is 667107100967. The next prime is 667107101051. The reversal of 667107101044 is 440101701766.

667107101044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 341593491600 + 325513609444 = 584460^2 + 570538^2 .

It is a junction number, because it is equal to n+sod(n) for n = 667107100994 and 667107101012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83388387627 + ... + 83388387634.

Almost surely, 2^667107101044 is an apocalyptic number.

It is an amenable number.

667107101044 is a deficient number, since it is larger than the sum of its proper divisors (500330325790).

667107101044 is a wasteful number, since it uses less digits than its factorization.

667107101044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166776775265 (or 166776775263 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The spelling of 667107101044 in words is "six hundred sixty-seven billion, one hundred seven million, one hundred one thousand, forty-four".