2066612710071 has 128 divisors (see below), whose sum is σ = 3526566543360. Its totient is φ = 1047513318912.

The previous prime is 2066612710051. The next prime is 2066612710093. The reversal of 2066612710071 is 1700172166602.

It is not a de Polignac number, because 2066612710071 - 2⁹ = 2066612709559 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066612710021) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1034857645 + ... + 1034859641.

It is an arithmetic number, because the mean of its divisors is an integer number (27551301120).

Almost surely, 2^{2066612710071} is an apocalyptic number.

2066612710071 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2066612710071 is a deficient number, since it is larger than the sum of its proper divisors (1459953833289).

2066612710071 is a wasteful number, since it uses less digits than its factorization.

2066612710071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3493.

The product of its (nonzero) digits is 42336, while the sum is 39.

Adding to 2066612710071 its reverse (1700172166602), we get a palindrome (3766784876673).

The spelling of 2066612710071 in words is "two trillion, sixty-six billion, six hundred twelve million, seven hundred ten thousand, seventy-one".