42600006666 has 48 divisors (see below), whose sum is σ = 111037617600. Its totient is φ = 11530828224.

The previous prime is 42600006661. The next prime is 42600006671. The reversal of 42600006666 is 66660000624.

It is an interprime number because it is at equal distance from previous prime (42600006661) and next prime (42600006671).

42600006666 is a modest number, since divided by 6666 gives 426 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 42600006666.

It is not an unprimeable number, because it can be changed into a prime (42600006661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8894851 + ... + 8899638.

It is an arithmetic number, because the mean of its divisors is an integer number (2313283700).

Almost surely, 2^42600006666 is an apocalyptic number.

42600006666 is an abundant number, since it is smaller than the sum of its proper divisors (68437610934).

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

42600006666 is a wasteful number, since it uses less digits than its factorization.

42600006666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17794523 (or 17794520 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 42600006666 in words is "forty-two billion, six hundred million, six thousand, six hundred sixty-six".