2066261270042 has 8 divisors (see below), whose sum is σ = 3102433509600. Its totient is φ = 1032116766844.

The previous prime is 2066261269991. The next prime is 2066261270069. The reversal of 2066261270042 is 2400721626602.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 2066261269978 and 2066261270005.

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, 506931542 + ... + 506935617.

It is an arithmetic number, because the mean of its divisors is an integer number (387804188700).

Almost surely, 2^{2066261270042} is an apocalyptic number.

2066261270042 is a deficient number, since it is larger than the sum of its proper divisors (1036172239558).

2066261270042 is a wasteful number, since it uses less digits than its factorization.

2066261270042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013868180.

The product of its (nonzero) digits is 96768, while the sum is 38.

Adding to 2066261270042 its reverse (2400721626602), we get a palindrome (4466982896644).

The spelling of 2066261270042 in words is "two trillion, sixty-six billion, two hundred sixty-one million, two hundred seventy thousand, forty-two".