667672840122 has 8 divisors (see below), whose sum is σ = 1335345680256. Its totient is φ = 222557613372.

The previous prime is 667672840103. The next prime is 667672840139. The reversal of 667672840122 is 221048276766.

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

667672840122 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55639403338 + ... + 55639403349.

It is an arithmetic number, because the mean of its divisors is an integer number (166918210032).

Almost surely, 2^667672840122 is an apocalyptic number.

667672840122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

667672840122 is a wasteful number, since it uses less digits than its factorization.

667672840122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111278806692.

The product of its (nonzero) digits is 2709504, while the sum is 51.

The spelling of 667672840122 in words is "six hundred sixty-seven billion, six hundred seventy-two million, eight hundred forty thousand, one hundred twenty-two".