1623466668 has 48 divisors (see below), whose sum is σ = 3963101184. Its totient is φ = 516716160.

The previous prime is 1623466643. The next prime is 1623466673. The reversal of 1623466668 is 8666643261.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11980 + ... + 58227.

It is an arithmetic number, because the mean of its divisors is an integer number (82564608).

Almost surely, 2^1623466668 is an apocalyptic number.

It is an amenable number.

1623466668 is an abundant number, since it is smaller than the sum of its proper divisors (2339634516).

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

1623466668 is a wasteful number, since it uses less digits than its factorization.

1623466668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70302 (or 70300 counting only the distinct ones).

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

The square root of 1623466668 is about 40292.2656101639. The cubic root of 1623466668 is about 1175.2974452643.

The spelling of 1623466668 in words is "one billion, six hundred twenty-three million, four hundred sixty-six thousand, six hundred sixty-eight".