667725037852 has 24 divisors (see below), whose sum is σ = 1171260155520. Its totient is φ = 333080106480.

The previous prime is 667725037831. The next prime is 667725037927. The reversal of 667725037852 is 258730527766.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3155827 + ... + 3360757.

It is an arithmetic number, because the mean of its divisors is an integer number (48802506480).

Almost surely, 2^667725037852 is an apocalyptic number.

It is an amenable number.

667725037852 is a deficient number, since it is larger than the sum of its proper divisors (503535117668).

667725037852 is a wasteful number, since it uses less digits than its factorization.

667725037852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206841 (or 206839 counting only the distinct ones).

The product of its (nonzero) digits is 29635200, while the sum is 58.

The spelling of 667725037852 in words is "six hundred sixty-seven billion, seven hundred twenty-five million, thirty-seven thousand, eight hundred fifty-two".