16662130505 has 16 divisors (see below), whose sum is σ = 20724768000. Its totient is φ = 12851363712.

The previous prime is 16662130483. The next prime is 16662130523. The reversal of 16662130505 is 50503126661.

It is a cyclic number.

It is not a de Polignac number, because 16662130505 - 2¹² = 16662126409 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 513380 + ... + 544869.

It is an arithmetic number, because the mean of its divisors is an integer number (1295298000).

Almost surely, 2^16662130505 is an apocalyptic number.

It is an amenable number.

16662130505 is a deficient number, since it is larger than the sum of its proper divisors (4062637495).

16662130505 is a wasteful number, since it uses less digits than its factorization.

16662130505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058368.

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 16662130505 in words is "sixteen billion, six hundred sixty-two million, one hundred thirty thousand, five hundred five".