16668433510 has 8 divisors (see below), whose sum is σ = 30003180336. Its totient is φ = 6667373400.

The previous prime is 16668433471. The next prime is 16668433517. The reversal of 16668433510 is 1533486661.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16668433517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833421666 + ... + 833421685.

It is an arithmetic number, because the mean of its divisors is an integer number (3750397542).

Almost surely, 2^16668433510 is an apocalyptic number.

16668433510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16668433510 is a deficient number, since it is larger than the sum of its proper divisors (13334746826).

16668433510 is a wasteful number, since it uses less digits than its factorization.

16668433510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666843358.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 16668433510 in words is "sixteen billion, six hundred sixty-eight million, four hundred thirty-three thousand, five hundred ten".