16553141 has 4 divisors (see below), whose sum is σ = 18057984. Its totient is φ = 15048300.

The previous prime is 16553129. The next prime is 16553149. The reversal of 16553141 is 14135561.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14135561 = 11 ⋅1285051.

It is a cyclic number.

It is not a de Polignac number, because 16553141 - 2¹⁰ = 16552117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16553141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16553149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752405 + ... + 752426.

It is an arithmetic number, because the mean of its divisors is an integer number (4514496).

Almost surely, 2^16553141 is an apocalyptic number.

16553141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16553141 is a deficient number, since it is larger than the sum of its proper divisors (1504843).

16553141 is a wasteful number, since it uses less digits than its factorization.

16553141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504842.

The product of its digits is 1800, while the sum is 26.

The square root of 16553141 is about 4068.5551489442. Note that the first 3 decimals coincide. The cubic root of 16553141 is about 254.8551836967.

The spelling of 16553141 in words is "sixteen million, five hundred fifty-three thousand, one hundred forty-one".