6661454 has 8 divisors (see below), whose sum is σ = 10161720. Its totient is φ = 3274216.

The previous prime is 6661441. The next prime is 6661477. The reversal of 6661454 is 4541666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6661454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28109 + ... + 28344.

It is an arithmetic number, because the mean of its divisors is an integer number (1270215).

Almost surely, 2^6661454 is an apocalyptic number.

6661454 is a deficient number, since it is larger than the sum of its proper divisors (3500266).

6661454 is a wasteful number, since it uses less digits than its factorization.

6661454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56514.

The product of its digits is 17280, while the sum is 32.

The square root of 6661454 is about 2580.9792715169. The cubic root of 6661454 is about 188.1581399144.

The spelling of 6661454 in words is "six million, six hundred sixty-one thousand, four hundred fifty-four".