667675677755 has 16 divisors (see below), whose sum is σ = 847376889600. Its totient is φ = 503629630560.

The previous prime is 667675677751. The next prime is 667675677787. The reversal of 667675677755 is 557776576766.

It is a happy number.

667675677755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 667675677755 - 2² = 667675677751 is a prime.

It is not an unprimeable number, because it can be changed into a prime (667675677751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16634375 + ... + 16674464.

It is an arithmetic number, because the mean of its divisors is an integer number (52961055600).

Almost surely, 2^667675677755 is an apocalyptic number.

667675677755 is a deficient number, since it is larger than the sum of its proper divisors (179701211845).

667675677755 is a wasteful number, since it uses less digits than its factorization.

667675677755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33309074.

The product of its digits is 2722734000, while the sum is 74.

The spelling of 667675677755 in words is "six hundred sixty-seven billion, six hundred seventy-five million, six hundred seventy-seven thousand, seven hundred fifty-five".