2146666026 has 8 divisors (see below), whose sum is σ = 4293332064. Its totient is φ = 715555340.

The previous prime is 2146666013. The next prime is 2146666031. The reversal of 2146666026 is 6206666412.

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

2146666026 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178888830 + ... + 178888841.

It is an arithmetic number, because the mean of its divisors is an integer number (536666508).

Almost surely, 2^2146666026 is an apocalyptic number.

2146666026 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.

2146666026 is a wasteful number, since it uses less digits than its factorization.

2146666026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357777676.

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 2146666026 is about 46332.1273632023. The cubic root of 2146666026 is about 1289.9953980967.

The spelling of 2146666026 in words is "two billion, one hundred forty-six million, six hundred sixty-six thousand, twenty-six".