2072066017117 has 16 divisors (see below), whose sum is σ = 2196900334080. Its totient is φ = 1947560329728.

The previous prime is 2072066017081. The next prime is 2072066017121. The reversal of 2072066017117 is 7117106602702.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2072066017117 is a prime.

It is a super-2 number, since 2×2072066017117² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2072066017117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2072066077117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75369748 + ... + 75397234.

It is an arithmetic number, because the mean of its divisors is an integer number (137306270880).

Almost surely, 2^{2072066017117} is an apocalyptic number.

It is an amenable number.

2072066017117 is a deficient number, since it is larger than the sum of its proper divisors (124834316963).

2072066017117 is a wasteful number, since it uses less digits than its factorization.

2072066017117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33300.

The product of its (nonzero) digits is 49392, while the sum is 40.

The spelling of 2072066017117 in words is "two trillion, seventy-two billion, sixty-six million, seventeen thousand, one hundred seventeen".