1424649666 has 64 divisors (see below), whose sum is σ = 3151696896. Its totient is φ = 425736000.

The previous prime is 1424649661. The next prime is 1424649683. The reversal of 1424649666 is 6669464241.

It is not an unprimeable number, because it can be changed into a prime (1424649661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1624020 + ... + 1624896.

It is an arithmetic number, because the mean of its divisors is an integer number (49245264).

Almost surely, 2^1424649666 is an apocalyptic number.

1424649666 is an abundant number, since it is smaller than the sum of its proper divisors (1727047230).

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

1424649666 is a wasteful number, since it uses less digits than its factorization.

1424649666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207.

The product of its digits is 1492992, while the sum is 48.

The square root of 1424649666 is about 37744.5316039291. The cubic root of 1424649666 is about 1125.2163313363.

The spelling of 1424649666 in words is "one billion, four hundred twenty-four million, six hundred forty-nine thousand, six hundred sixty-six".