16551454511164 has 6 divisors (see below), whose sum is σ = 28965045394544. Its totient is φ = 8275727255580.

The previous prime is 16551454511159. The next prime is 16551454511191. The reversal of 16551454511164 is 46111545415561.

It is a super-2 number, since 2×16551454511164² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2068931813892 + ... + 2068931813899.

Almost surely, 2^{16551454511164} is an apocalyptic number.

It is an amenable number.

16551454511164 is a deficient number, since it is larger than the sum of its proper divisors (12413590883380).

16551454511164 is a wasteful number, since it uses less digits than its factorization.

16551454511164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4137863627795 (or 4137863627793 counting only the distinct ones).

The product of its digits is 1440000, while the sum is 49.

The spelling of 16551454511164 in words is "sixteen trillion, five hundred fifty-one billion, four hundred fifty-four million, five hundred eleven thousand, one hundred sixty-four".