1466650417 has 4 divisors (see below), whose sum is σ = 1469228580. Its totient is φ = 1464072256.

The previous prime is 1466650411. The next prime is 1466650429. The reversal of 1466650417 is 7140566641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7140566641 = 13 ⋅549274357.

It can be written as a sum of positive squares in 2 ways, for example, as 569108736 + 897541681 = 23856^2 + 29959^2 .

It is a cyclic number.

It is not a de Polignac number, because 1466650417 - 2¹¹ = 1466648369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1466650417.

It is not an unprimeable number, because it can be changed into a prime (1466650411) 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, 1288228 + ... + 1289365.

It is an arithmetic number, because the mean of its divisors is an integer number (367307145).

Almost surely, 2^1466650417 is an apocalyptic number.

It is an amenable number.

1466650417 is a deficient number, since it is larger than the sum of its proper divisors (2578163).

1466650417 is an equidigital number, since it uses as much as digits as its factorization.

1466650417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2578162.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 1466650417 is about 38296.8721568746. The cubic root of 1466650417 is about 1136.1670845560.

The spelling of 1466650417 in words is "one billion, four hundred sixty-six million, six hundred fifty thousand, four hundred seventeen".