6610551 has 8 divisors (see below), whose sum is σ = 8901744. Its totient is φ = 4363200.

The previous prime is 6610547. The next prime is 6610559. The reversal of 6610551 is 1550166.

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

It is not a de Polignac number, because 6610551 - 2² = 6610547 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6610559) 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, 10606 + ... + 11211.

It is an arithmetic number, because the mean of its divisors is an integer number (1112718).

Almost surely, 2^6610551 is an apocalyptic number.

6610551 is a deficient number, since it is larger than the sum of its proper divisors (2291193).

6610551 is a wasteful number, since it uses less digits than its factorization.

6610551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21921.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 6610551 is about 2571.0991812841. The cubic root of 6610551 is about 187.6776485211.

The spelling of 6610551 in words is "six million, six hundred ten thousand, five hundred fifty-one".