667057236670 has 16 divisors (see below), whose sum is σ = 1309857846768. Its totient is φ = 242566267840.

The previous prime is 667057236623. The next prime is 667057236683. The reversal of 667057236670 is 76632750766.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3032078239 + ... + 3032078458.

It is an arithmetic number, because the mean of its divisors is an integer number (81866115423).

Almost surely, 2^667057236670 is an apocalyptic number.

667057236670 is a deficient number, since it is larger than the sum of its proper divisors (642800610098).

667057236670 is a wasteful number, since it uses less digits than its factorization.

667057236670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6064156715.

The product of its (nonzero) digits is 13335840, while the sum is 55.

The spelling of 667057236670 in words is "six hundred sixty-seven billion, fifty-seven million, two hundred thirty-six thousand, six hundred seventy".