16649055 has 12 divisors (see below), whose sum is σ = 28858440. Its totient is φ = 8879472.

The previous prime is 16649047. The next prime is 16649063. The reversal of 16649055 is 55094661.

16649055 is a `hidden beast` number, since 1 + 6 + 649 + 0 + 5 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (16649047) and next prime (16649063).

It is not a de Polignac number, because 16649055 - 2³ = 16649047 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 184945 + ... + 185034.

It is an arithmetic number, because the mean of its divisors is an integer number (2404870).

Almost surely, 2^16649055 is an apocalyptic number.

16649055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16649055 is a deficient number, since it is larger than the sum of its proper divisors (12209385).

16649055 is a wasteful number, since it uses less digits than its factorization.

16649055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369990 (or 369987 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 16649055 is about 4080.3253546746. The cubic root of 16649055 is about 255.3464725124.

The spelling of 16649055 in words is "sixteen million, six hundred forty-nine thousand, fifty-five".