1416661 has 8 divisors (see below), whose sum is σ = 1512000. Its totient is φ = 1322688.

The previous prime is 1416641. The next prime is 1416671. The reversal of 1416661 is 1666141.

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 1416661 - 2⁵ = 1416629 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 (1416601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2590 + ... + 3088.

It is an arithmetic number, because the mean of its divisors is an integer number (189000).

2^1416661 is an apocalyptic number.

It is an amenable number.

1416661 is a deficient number, since it is larger than the sum of its proper divisors (95339).

1416661 is a wasteful number, since it uses less digits than its factorization.

1416661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683.

The product of its digits is 864, while the sum is 25.

The square root of 1416661 is about 1190.2356909453. The cubic root of 1416661 is about 112.3109185985.

The spelling of 1416661 in words is "one million, four hundred sixteen thousand, six hundred sixty-one".