16555164 has 48 divisors (see below), whose sum is σ = 39984000. Its totient is φ = 5328576.

The previous prime is 16555163. The next prime is 16555171. The reversal of 16555164 is 46155561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16555163) 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, 47262 + ... + 47610.

It is an arithmetic number, because the mean of its divisors is an integer number (833000).

Almost surely, 2^16555164 is an apocalyptic number.

It is an amenable number.

16555164 is an abundant number, since it is smaller than the sum of its proper divisors (23428836).

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

16555164 is a wasteful number, since it uses less digits than its factorization.

16555164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482 (or 480 counting only the distinct ones).

The product of its digits is 18000, while the sum is 33.

The square root of 16555164 is about 4068.8037554053. The cubic root of 16555164 is about 254.8655654330.

The spelling of 16555164 in words is "sixteen million, five hundred fifty-five thousand, one hundred sixty-four".