16668153123 has 8 divisors (see below), whose sum is σ = 23393899200. Its totient is φ = 10527254568.

The previous prime is 16668153121. The next prime is 16668153133. The reversal of 16668153123 is 32135186661.

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

It is not a de Polignac number, because 16668153123 - 2¹ = 16668153121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16668153121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146211813 + ... + 146211926.

It is an arithmetic number, because the mean of its divisors is an integer number (2924237400).

Almost surely, 2^16668153123 is an apocalyptic number.

16668153123 is a deficient number, since it is larger than the sum of its proper divisors (6725746077).

16668153123 is a wasteful number, since it uses less digits than its factorization.

16668153123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292423761.

The product of its digits is 155520, while the sum is 42.

The spelling of 16668153123 in words is "sixteen billion, six hundred sixty-eight million, one hundred fifty-three thousand, one hundred twenty-three".