667256010280 has 32 divisors (see below), whose sum is σ = 1502974103040. Its totient is φ = 266609412160.

The previous prime is 667256010247. The next prime is 667256010313. The reversal of 667256010280 is 82010652766.

It is an interprime number because it is at equal distance from previous prime (667256010247) and next prime (667256010313).

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, 9119104 + ... + 9191983.

It is an arithmetic number, because the mean of its divisors is an integer number (46967940720).

Almost surely, 2^667256010280 is an apocalyptic number.

It is an amenable number.

667256010280 is an abundant number, since it is smaller than the sum of its proper divisors (835718092760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

667256010280 is a wasteful number, since it uses less digits than its factorization.

667256010280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18312009 (or 18312005 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 667256010280 in words is "six hundred sixty-seven billion, two hundred fifty-six million, ten thousand, two hundred eighty".