6166672283881 has 2 divisors, whose sum is σ = 6166672283882. Its totient is φ = 6166672283880.

The previous prime is 6166672283867. The next prime is 6166672283897. The reversal of 6166672283881 is 1883822766616.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6156849690000 + 9822593881 = 2481300^2 + 99109^2 .

It is a cyclic number.

It is not a de Polignac number, because 6166672283881 - 2²⁷ = 6166538066153 is a prime.

It is a super-2 number, since 2×6166672283881² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6166672283801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3083336141940 + 3083336141941.

It is an arithmetic number, because the mean of its divisors is an integer number (3083336141941).

Almost surely, 2^{6166672283881} is an apocalyptic number.

It is an amenable number.

6166672283881 is a deficient number, since it is larger than the sum of its proper divisors (1).

6166672283881 is an equidigital number, since it uses as much as digits as its factorization.

6166672283881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55738368, while the sum is 64.

The spelling of 6166672283881 in words is "six trillion, one hundred sixty-six billion, six hundred seventy-two million, two hundred eighty-three thousand, eight hundred eighty-one".