2066612146577 has 32 divisors (see below), whose sum is σ = 2362352532480. Its totient is φ = 1790643193920.

The previous prime is 2066612146559. The next prime is 2066612146619. The reversal of 2066612146577 is 7756412166602.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2066612146577 - 2⁶ = 2066612146513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2066612146877) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9552668 + ... + 9766610.

It is an arithmetic number, because the mean of its divisors is an integer number (73823516640).

Almost surely, 2^{2066612146577} is an apocalyptic number.

It is an amenable number.

2066612146577 is a deficient number, since it is larger than the sum of its proper divisors (295740385903).

2066612146577 is a wasteful number, since it uses less digits than its factorization.

2066612146577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214373.

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 2066612146577 in words is "two trillion, sixty-six billion, six hundred twelve million, one hundred forty-six thousand, five hundred seventy-seven".