6377661 has 12 divisors (see below), whose sum is σ = 9509760. Its totient is φ = 4114440.

The previous prime is 6377641. The next prime is 6377689. The reversal of 6377661 is 1667736.

It is not a de Polignac number, because 6377661 - 2¹⁰ = 6376637 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6377621) 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 11 ways as a sum of consecutive naturals, for example, 11151 + ... + 11708.

It is an arithmetic number, because the mean of its divisors is an integer number (792480).

Almost surely, 2^6377661 is an apocalyptic number.

It is an amenable number.

6377661 is a deficient number, since it is larger than the sum of its proper divisors (3132099).

6377661 is a wasteful number, since it uses less digits than its factorization.

6377661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22896 (or 22893 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 6377661 is about 2525.4031361349. The cubic root of 6377661 is about 185.4472839114.

The spelling of 6377661 in words is "six million, three hundred seventy-seven thousand, six hundred sixty-one".