16870053 has 4 divisors (see below), whose sum is σ = 22493408. Its totient is φ = 11246700.

The previous prime is 16870037. The next prime is 16870057. The reversal of 16870053 is 35007861.

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.

It is not a de Polignac number, because 16870053 - 2⁴ = 16870037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16870053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16870057) 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, 2811673 + ... + 2811678.

It is an arithmetic number, because the mean of its divisors is an integer number (5623352).

Almost surely, 2^16870053 is an apocalyptic number.

It is an amenable number.

16870053 is a deficient number, since it is larger than the sum of its proper divisors (5623355).

16870053 is an equidigital number, since it uses as much as digits as its factorization.

16870053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5623354.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 16870053 is about 4107.3170074880. The cubic root of 16870053 is about 256.4713251044.

The spelling of 16870053 in words is "sixteen million, eight hundred seventy thousand, fifty-three".