2609166842706 has 16 divisors (see below), whose sum is σ = 5220327730464. Its totient is φ = 869389940064.

The previous prime is 2609166842701. The next prime is 2609166842707. The reversal of 2609166842706 is 6072486619062.

It is a super-2 number, since 2×2609166842706² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2609166842701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83068200 + ... + 83099603.

It is an arithmetic number, because the mean of its divisors is an integer number (326270483154).

Almost surely, 2^{2609166842706} is an apocalyptic number.

2609166842706 is an abundant number, since it is smaller than the sum of its proper divisors (2611160887758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2609166842706 is a wasteful number, since it uses less digits than its factorization.

2609166842706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166170425.

The product of its (nonzero) digits is 10450944, while the sum is 57.

The spelling of 2609166842706 in words is "two trillion, six hundred nine billion, one hundred sixty-six million, eight hundred forty-two thousand, seven hundred six".