667725748043 has 8 divisors (see below), whose sum is σ = 726111942912. Its totient is φ = 611462687616.

The previous prime is 667725748033. The next prime is 667725748147. The reversal of 667725748043 is 340847527766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 667725748043 - 2²⁴ = 667708970827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (667725748033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 530782955 + ... + 530784212.

It is an arithmetic number, because the mean of its divisors is an integer number (90763992864).

Almost surely, 2^667725748043 is an apocalyptic number.

667725748043 is a deficient number, since it is larger than the sum of its proper divisors (58386194869).

667725748043 is a wasteful number, since it uses less digits than its factorization.

667725748043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061567221.

The product of its (nonzero) digits is 47416320, while the sum is 59.

The spelling of 667725748043 in words is "six hundred sixty-seven billion, seven hundred twenty-five million, seven hundred forty-eight thousand, forty-three".