16555166160 has 80 divisors (see below), whose sum is σ = 55268795904. Its totient is φ = 4075117056.

The previous prime is 16555166143. The next prime is 16555166161. The reversal of 16555166160 is 6166155561.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16555166161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2649952 + ... + 2656191.

Almost surely, 2^16555166160 is an apocalyptic number.

16555166160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16555166160 is an abundant number, since it is smaller than the sum of its proper divisors (38713629744).

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

16555166160 is a wasteful number, since it uses less digits than its factorization.

16555166160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5306172 (or 5306166 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 16555166160 in words is "sixteen billion, five hundred fifty-five million, one hundred sixty-six thousand, one hundred sixty".