667040743701 has 12 divisors (see below), whose sum is σ = 963594270912. Its totient is φ = 444651840936.

The previous prime is 667040743679. The next prime is 667040743709. The reversal of 667040743701 is 107347040766.

It is not a de Polignac number, because 667040743701 - 2⁷ = 667040743573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667040743709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3398251 + ... + 3589176.

It is an arithmetic number, because the mean of its divisors is an integer number (80299522576).

Almost surely, 2^667040743701 is an apocalyptic number.

It is an amenable number.

667040743701 is a deficient number, since it is larger than the sum of its proper divisors (296553527211).

667040743701 is a wasteful number, since it uses less digits than its factorization.

667040743701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6998040 (or 6998037 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 45.

The spelling of 667040743701 in words is "six hundred sixty-seven billion, forty million, seven hundred forty-three thousand, seven hundred one".