1423162666 has 8 divisors (see below), whose sum is σ = 2135537280. Its totient is φ = 711316908.

The previous prime is 1423162661. The next prime is 1423162673. The reversal of 1423162666 is 6662613241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1423162661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125416 + ... + 136291.

It is an arithmetic number, because the mean of its divisors is an integer number (266942160).

Almost surely, 2^1423162666 is an apocalyptic number.

1423162666 is a deficient number, since it is larger than the sum of its proper divisors (712374614).

1423162666 is a wasteful number, since it uses less digits than its factorization.

1423162666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264428.

The product of its digits is 62208, while the sum is 37.

The square root of 1423162666 is about 37724.8282434791. The cubic root of 1423162666 is about 1124.8247077664.

It can be divided in two parts, 1423162 and 666, that added together give a triangular number (1423828 = T₁₆₈₇).

The spelling of 1423162666 in words is "one billion, four hundred twenty-three million, one hundred sixty-two thousand, six hundred sixty-six".