16551666162 has 24 divisors (see below), whose sum is σ = 35911848960. Its totient is φ = 5509544280.

The previous prime is 16551666149. The next prime is 16551666179. The reversal of 16551666162 is 26166615561.

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 11 ways as a sum of consecutive naturals, for example, 626514 + ... + 652397.

It is an arithmetic number, because the mean of its divisors is an integer number (1496327040).

Almost surely, 2^16551666162 is an apocalyptic number.

16551666162 is an abundant number, since it is smaller than the sum of its proper divisors (19360182798).

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

16551666162 is a wasteful number, since it uses less digits than its factorization.

16551666162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279638 (or 1279635 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The spelling of 16551666162 in words is "sixteen billion, five hundred fifty-one million, six hundred sixty-six thousand, one hundred sixty-two".