16548223164 has 48 divisors (see below), whose sum is σ = 44600564736. Its totient is φ = 4719635200.

The previous prime is 16548223127. The next prime is 16548223169. The reversal of 16548223164 is 46132284561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16548223169) 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, 3684972 + ... + 3689459.

It is an arithmetic number, because the mean of its divisors is an integer number (929178432).

Almost surely, 2^16548223164 is an apocalyptic number.

It is an amenable number.

16548223164 is an abundant number, since it is smaller than the sum of its proper divisors (28052341572).

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

16548223164 is a wasteful number, since it uses less digits than its factorization.

16548223164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7374466 (or 7374464 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The spelling of 16548223164 in words is "sixteen billion, five hundred forty-eight million, two hundred twenty-three thousand, one hundred sixty-four".