6616157 has 8 divisors (see below), whose sum is σ = 6933696. Its totient is φ = 6301152.

The previous prime is 6616151. The next prime is 6616163. The reversal of 6616157 is 7516166.

It is an interprime number because it is at equal distance from previous prime (6616151) and next prime (6616163).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6616157 - 2¹² = 6612061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6616151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6593 + ... + 7529.

It is an arithmetic number, because the mean of its divisors is an integer number (866712).

Almost surely, 2^6616157 is an apocalyptic number.

It is an amenable number.

6616157 is a deficient number, since it is larger than the sum of its proper divisors (317539).

6616157 is a wasteful number, since it uses less digits than its factorization.

6616157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267.

The product of its digits is 7560, while the sum is 32.

The square root of 6616157 is about 2572.1891454557. The cubic root of 6616157 is about 187.7306861385.

Subtracting 6616157 from its reverse (7516166), we obtain a palindrome (900009).

The spelling of 6616157 in words is "six million, six hundred sixteen thousand, one hundred fifty-seven".