6337661 has 4 divisors (see below), whose sum is σ = 6913824. Its totient is φ = 5761500.

The previous prime is 6337637. The next prime is 6337663. The reversal of 6337661 is 1667336.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 6337661 - 2¹⁴ = 6321277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6337663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288065 + ... + 288086.

It is an arithmetic number, because the mean of its divisors is an integer number (1728456).

Almost surely, 2^6337661 is an apocalyptic number.

It is an amenable number.

6337661 is a deficient number, since it is larger than the sum of its proper divisors (576163).

6337661 is a wasteful number, since it uses less digits than its factorization.

6337661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576162.

The product of its digits is 13608, while the sum is 32.

The square root of 6337661 is about 2517.4711517712. The cubic root of 6337661 is about 185.0587687651.

The spelling of 6337661 in words is "six million, three hundred thirty-seven thousand, six hundred sixty-one".