6542166013 has 4 divisors (see below), whose sum is σ = 6886490560. Its totient is φ = 6197841468.

The previous prime is 6542165963. The next prime is 6542166031. The reversal of 6542166013 is 3106612456.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6542166013 is a prime.

It is a super-2 number, since 2×6542166013² = 85599872283304632338, which 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 6542166013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6542166413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172162245 + ... + 172162282.

It is an arithmetic number, because the mean of its divisors is an integer number (1721622640).

Almost surely, 2^6542166013 is an apocalyptic number.

It is an amenable number.

6542166013 is a deficient number, since it is larger than the sum of its proper divisors (344324547).

6542166013 is a wasteful number, since it uses less digits than its factorization.

6542166013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344324546.

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

The square root of 6542166013 is about 80883.6572677077. The cubic root of 6542166013 is about 1870.2823992282.

Adding to 6542166013 its reverse (3106612456), we get a palindrome (9648778469).

The spelling of 6542166013 in words is "six billion, five hundred forty-two million, one hundred sixty-six thousand, thirteen".