1466666 has 4 divisors (see below), whose sum is σ = 2200002. Its totient is φ = 733332.

The previous prime is 1466659. The next prime is 1466677. The reversal of 1466666 is 6666641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6666641 = 41 ⋅162601.

It can be written as a sum of positive squares in only one way, i.e., 1452025 + 14641 = 1205^2 + 121^2 .

It is a super-2 number, since 2×1466666² = 4302218311112, which contains 22 as substring.

1466666 is a modest number, since divided by 6666 gives 146 as remainder.

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 366665 + ... + 366668.

2^1466666 is an apocalyptic number.

1466666 is a deficient number, since it is larger than the sum of its proper divisors (733336).

1466666 is an equidigital number, since it uses as much as digits as its factorization.

1466666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733335.

The product of its digits is 31104, while the sum is 35.

The square root of 1466666 is about 1211.0598663980. The cubic root of 1466666 is about 113.6171108425.

The spelling of 1466666 in words is "one million, four hundred sixty-six thousand, six hundred sixty-six".