16545051 has 12 divisors (see below), whose sum is σ = 24722880. Its totient is φ = 10649520.

The previous prime is 16545013. The next prime is 16545071. The reversal of 16545051 is 15054561.

It is a happy number.

16545051 is a `hidden beast` number, since 1 + 654 + 5 + 0 + 5 + 1 = 666.

It is not a de Polignac number, because 16545051 - 2¹⁵ = 16512283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16545071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31435 + ... + 31956.

It is an arithmetic number, because the mean of its divisors is an integer number (2060240).

Almost surely, 2^16545051 is an apocalyptic number.

16545051 is a deficient number, since it is larger than the sum of its proper divisors (8177829).

16545051 is a wasteful number, since it uses less digits than its factorization.

16545051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63426 (or 63423 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 16545051 is about 4067.5608170008. The cubic root of 16545051 is about 254.8136585584.

The spelling of 16545051 in words is "sixteen million, five hundred forty-five thousand, fifty-one".