168416053 has 4 divisors (see below), whose sum is σ = 181371148. Its totient is φ = 155460960.

The previous prime is 168416029. The next prime is 168416063. The reversal of 168416053 is 350614861.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 350614861 = 2099 ⋅167039.

It can be written as a sum of positive squares in 2 ways, for example, as 67272804 + 101143249 = 8202^2 + 10057^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168416053 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 (168416023) 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 3 ways as a sum of consecutive naturals, for example, 6477528 + ... + 6477553.

It is an arithmetic number, because the mean of its divisors is an integer number (45342787).

Almost surely, 2^168416053 is an apocalyptic number.

168416053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

168416053 is a deficient number, since it is larger than the sum of its proper divisors (12955095).

168416053 is a wasteful number, since it uses less digits than its factorization.

168416053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12955094.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 168416053 is about 12977.5210652882. The cubic root of 168416053 is about 552.2399592533.

The spelling of 168416053 in words is "one hundred sixty-eight million, four hundred sixteen thousand, fifty-three".