6542166031 has 2 divisors, whose sum is σ = 6542166032. Its totient is φ = 6542166030.

The previous prime is 6542165963. The next prime is 6542166041. The reversal of 6542166031 is 1306612456.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6542166031 - 2¹⁷ = 6542034959 is a prime.

It is a super-2 number, since 2×6542166031² = 85599872754340585922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6542166041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3271083015 + 3271083016.

It is an arithmetic number, because the mean of its divisors is an integer number (3271083016).

Almost surely, 2^6542166031 is an apocalyptic number.

6542166031 is a deficient number, since it is larger than the sum of its proper divisors (1).

6542166031 is an equidigital number, since it uses as much as digits as its factorization.

6542166031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 6542166031 is about 80883.6573789786. The cubic root of 6542166031 is about 1870.2824009435.

Adding to 6542166031 its reverse (1306612456), we get a palindrome (7848778487).

The spelling of 6542166031 in words is "six billion, five hundred forty-two million, one hundred sixty-six thousand, thirty-one".