16655051 has 16 divisors (see below), whose sum is σ = 19776000. Its totient is φ = 14016744.

The previous prime is 16655047. The next prime is 16655081. The reversal of 16655051 is 15055661.

It is not a de Polignac number, because 16655051 - 2² = 16655047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16655011) 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, 19826 + ... + 20648.

It is an arithmetic number, because the mean of its divisors is an integer number (1236000).

Almost surely, 2^16655051 is an apocalyptic number.

16655051 is a deficient number, since it is larger than the sum of its proper divisors (3120949).

16655051 is an frugal number, since it uses more digits than its factorization.

16655051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903 (or 889 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 16655051 is about 4081.0600338638. The cubic root of 16655051 is about 255.3771223739.

The spelling of 16655051 in words is "sixteen million, six hundred fifty-five thousand, fifty-one".