2666064444258 has 8 divisors (see below), whose sum is σ = 5332128888528. Its totient is φ = 888688148084.

The previous prime is 2666064444217. The next prime is 2666064444287. The reversal of 2666064444258 is 8524444606662.

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

2666064444258 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2666064444198 and 2666064444207.

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, 222172037016 + ... + 222172037027.

It is an arithmetic number, because the mean of its divisors is an integer number (666516111066).

Almost surely, 2^{2666064444258} is an apocalyptic number.

2666064444258 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.

2666064444258 is a wasteful number, since it uses less digits than its factorization.

2666064444258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444344074048.

The product of its (nonzero) digits is 53084160, while the sum is 57.

The spelling of 2666064444258 in words is "two trillion, six hundred sixty-six billion, sixty-four million, four hundred forty-four thousand, two hundred fifty-eight".