1466663 has 8 divisors (see below), whose sum is σ = 1612416. Its totient is φ = 1323000.

The previous prime is 1466659. The next prime is 1466677. The reversal of 1466663 is 3666641.

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 1466663 - 2² = 1466659 is a prime.

It is a super-2 number, since 2×1466663² = 4302200711138, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1466603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1220 + ... + 2102.

It is an arithmetic number, because the mean of its divisors is an integer number (201552).

2^1466663 is an apocalyptic number.

1466663 is a deficient number, since it is larger than the sum of its proper divisors (145753).

1466663 is a wasteful number, since it uses less digits than its factorization.

1466663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045.

The product of its digits is 15552, while the sum is 32.

The square root of 1466663 is about 1211.0586278129. The cubic root of 1466663 is about 113.6170333762.

It can be divided in two parts, 1 and 466663, that added together give a palindrome (466664).

The spelling of 1466663 in words is "one million, four hundred sixty-six thousand, six hundred sixty-three".