6661627 has 8 divisors (see below), whose sum is σ = 7738592. Its totient is φ = 5616000.

The previous prime is 6661601. The next prime is 6661643. The reversal of 6661627 is 7261666.

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 6661627 - 2¹¹ = 6659579 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6661592 and 6661601.

It is not an unprimeable number, because it can be changed into a prime (6661687) 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, 7374 + ... + 8227.

It is an arithmetic number, because the mean of its divisors is an integer number (967324).

Almost surely, 2^6661627 is an apocalyptic number.

6661627 is a deficient number, since it is larger than the sum of its proper divisors (1076965).

6661627 is a wasteful number, since it uses less digits than its factorization.

6661627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15669.

The product of its digits is 18144, while the sum is 34.

The square root of 6661627 is about 2581.0127857103. The cubic root of 6661627 is about 188.1597687418.

The spelling of 6661627 in words is "six million, six hundred sixty-one thousand, six hundred twenty-seven".