16431664622 has 8 divisors (see below), whose sum is σ = 24841572096. Its totient is φ = 8151140592.

The previous prime is 16431664609. The next prime is 16431664643. The reversal of 16431664622 is 22646613461.

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

It is a self number, because there is not a number n which added to its sum of digits gives 16431664622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32345543 + ... + 32346050.

It is an arithmetic number, because the mean of its divisors is an integer number (3105196512).

Almost surely, 2^16431664622 is an apocalyptic number.

16431664622 is a deficient number, since it is larger than the sum of its proper divisors (8409907474).

16431664622 is a wasteful number, since it uses less digits than its factorization.

16431664622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64691722.

The product of its digits is 248832, while the sum is 41.

The spelling of 16431664622 in words is "sixteen billion, four hundred thirty-one million, six hundred sixty-four thousand, six hundred twenty-two".