1424367666 has 20 divisors (see below), whose sum is σ = 3191639022. Its totient is φ = 474789168.

The previous prime is 1424367653. The next prime is 1424367671. The reversal of 1424367666 is 6667634241.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 868775625 + 555592041 = 29475^2 + 23571^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4396035 + ... + 4396358.

Almost surely, 2^1424367666 is an apocalyptic number.

1424367666 is an abundant number, since it is smaller than the sum of its proper divisors (1767271356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1424367666 is an equidigital number, since it uses as much as digits as its factorization.

1424367666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8792407 (or 8792398 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The square root of 1424367666 is about 37740.7957785736. The cubic root of 1424367666 is about 1125.1420833880.

The spelling of 1424367666 in words is "one billion, four hundred twenty-four million, three hundred sixty-seven thousand, six hundred sixty-six".