6650377 has 4 divisors (see below), whose sum is σ = 6655696. Its totient is φ = 6645060.

The previous prime is 6650351. The next prime is 6650393. The reversal of 6650377 is 7730566.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7730566 = 2 ⋅3865283.

It is a cyclic number.

It is not a de Polignac number, because 6650377 - 2¹⁹ = 6126089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6650327) 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 3 ways as a sum of consecutive naturals, for example, 358 + ... + 3664.

It is an arithmetic number, because the mean of its divisors is an integer number (1663924).

Almost surely, 2^6650377 is an apocalyptic number.

It is an amenable number.

6650377 is a deficient number, since it is larger than the sum of its proper divisors (5319).

6650377 is a wasteful number, since it uses less digits than its factorization.

6650377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5318.

The product of its (nonzero) digits is 26460, while the sum is 34.

The square root of 6650377 is about 2578.8324877743. The cubic root of 6650377 is about 188.0537891206.

The spelling of 6650377 in words is "six million, six hundred fifty thousand, three hundred seventy-seven".