189416653 has 16 divisors (see below), whose sum is σ = 199085040. Its totient is φ = 180043776.

The previous prime is 189416629. The next prime is 189416659. The reversal of 189416653 is 356614981.

It can be written as a sum of positive squares in 8 ways, for example, as 1671849 + 187744804 = 1293^2 + 13702^2 .

It is not a de Polignac number, because 189416653 - 2⁵ = 189416621 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 (189416659) 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 15 ways as a sum of consecutive naturals, for example, 319125 + ... + 319717.

It is an arithmetic number, because the mean of its divisors is an integer number (12442815).

Almost surely, 2^189416653 is an apocalyptic number.

It is an amenable number.

189416653 is a deficient number, since it is larger than the sum of its proper divisors (9668387).

189416653 is an equidigital number, since it uses as much as digits as its factorization.

189416653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816.

The product of its digits is 155520, while the sum is 43.

The square root of 189416653 is about 13762.8722656283. The cubic root of 189416653 is about 574.3007535332.

The spelling of 189416653 in words is "one hundred eighty-nine million, four hundred sixteen thousand, six hundred fifty-three".