6616949 has 8 divisors (see below), whose sum is σ = 6820800. Its totient is φ = 6415200.

The previous prime is 6616931. The next prime is 6616991. The reversal of 6616949 is 9496166.

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 6616949 - 2²⁰ = 5568373 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6616549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7754 + ... + 8564.

It is an arithmetic number, because the mean of its divisors is an integer number (852600).

Almost surely, 2^6616949 is an apocalyptic number.

It is an amenable number.

6616949 is a deficient number, since it is larger than the sum of its proper divisors (203851).

6616949 is a wasteful number, since it uses less digits than its factorization.

6616949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051.

The product of its digits is 69984, while the sum is 41.

The square root of 6616949 is about 2572.3430953121. The cubic root of 6616949 is about 187.7381767291.

The spelling of 6616949 in words is "six million, six hundred sixteen thousand, nine hundred forty-nine".