6542616 has 64 divisors (see below), whose sum is σ = 17186400. Its totient is φ = 2073600.

The previous prime is 6542611. The next prime is 6542621. The reversal of 6542616 is 6162456.

It is an interprime number because it is at equal distance from previous prime (6542611) and next prime (6542621).

Its product of digits (8640) is a multiple of the sum of its prime divisors (216).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6542611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59970 + ... + 60078.

Almost surely, 2^6542616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6542616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8593200).

6542616 is an abundant number, since it is smaller than the sum of its proper divisors (10643784).

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

6542616 is a wasteful number, since it uses less digits than its factorization.

6542616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 216 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 6542616 is about 2557.8537878464. The cubic root of 6542616 is about 187.0325279189.

It can be divided in two parts, 654 and 2616, that multiplied together give a square (1710864 = 1308²).

The spelling of 6542616 in words is "six million, five hundred forty-two thousand, six hundred sixteen".