16557414 has 16 divisors (see below), whose sum is σ = 33155760. Its totient is φ = 5512320.

The previous prime is 16557403. The next prime is 16557419. The reversal of 16557414 is 41475561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16557419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6882 + ... + 8970.

It is an arithmetic number, because the mean of its divisors is an integer number (2072235).

Almost surely, 2^16557414 is an apocalyptic number.

16557414 is an abundant number, since it is smaller than the sum of its proper divisors (16598346).

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

16557414 is a wasteful number, since it uses less digits than its factorization.

16557414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3415.

The product of its digits is 16800, while the sum is 33.

The square root of 16557414 is about 4069.0802400543. The cubic root of 16557414 is about 254.8771111063.

The spelling of 16557414 in words is "sixteen million, five hundred fifty-seven thousand, four hundred fourteen".