667703283577 has 16 divisors (see below), whose sum is σ = 784571800320. Its totient is φ = 561682069200.

The previous prime is 667703283551. The next prime is 667703283659. The reversal of 667703283577 is 775382307766.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 667703283577 - 2⁷ = 667703283449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (667703283077) 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, 37139299 + ... + 37157272.

It is an arithmetic number, because the mean of its divisors is an integer number (49035737520).

Almost surely, 2^667703283577 is an apocalyptic number.

It is an amenable number.

667703283577 is a deficient number, since it is larger than the sum of its proper divisors (116868516743).

667703283577 is a wasteful number, since it uses less digits than its factorization.

667703283577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74296644.

The product of its (nonzero) digits is 62233920, while the sum is 61.

The spelling of 667703283577 in words is "six hundred sixty-seven billion, seven hundred three million, two hundred eighty-three thousand, five hundred seventy-seven".