16551053 has 8 divisors (see below), whose sum is σ = 17491200. Its totient is φ = 15629328.

The previous prime is 16551049. The next prime is 16551061. The reversal of 16551053 is 35015561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16551053 - 2² = 16551049 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16551043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2738 + ... + 6371.

It is an arithmetic number, because the mean of its divisors is an integer number (2186400).

Almost surely, 2^16551053 is an apocalyptic number.

It is an amenable number.

16551053 is a deficient number, since it is larger than the sum of its proper divisors (940147).

16551053 is an equidigital number, since it uses as much as digits as its factorization.

16551053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9211.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 16551053 is about 4068.2985387014. The cubic root of 16551053 is about 254.8444675030.

The spelling of 16551053 in words is "sixteen million, five hundred fifty-one thousand, fifty-three".