16878053 has 4 divisors (see below), whose sum is σ = 16975788. Its totient is φ = 16780320.

The previous prime is 16878047. The next prime is 16878077. The reversal of 16878053 is 35087861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35087861 = 149 ⋅235489.

It can be written as a sum of positive squares in 2 ways, for example, as 7739524 + 9138529 = 2782^2 + 3023^2 .

It is a cyclic number.

It is not a de Polignac number, because 16878053 - 2²⁰ = 15829477 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16877998 and 16878016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16871053) 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, 48608 + ... + 48953.

It is an arithmetic number, because the mean of its divisors is an integer number (4243947).

Almost surely, 2^16878053 is an apocalyptic number.

It is an amenable number.

16878053 is a deficient number, since it is larger than the sum of its proper divisors (97735).

16878053 is an equidigital number, since it uses as much as digits as its factorization.

16878053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97734.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 16878053 is about 4108.2907638092. The cubic root of 16878053 is about 256.5118593845.

The spelling of 16878053 in words is "sixteen million, eight hundred seventy-eight thousand, fifty-three".