16481101 has 12 divisors (see below), whose sum is σ = 20647452. Its totient is φ = 13039488.

The previous prime is 16481099. The next prime is 16481107. The reversal of 16481101 is 10118461.

It can be written as a sum of positive squares in 2 ways, for example, as 4955076 + 11526025 = 2226^2 + 3395^2 .

It is not a de Polignac number, because 16481101 - 2¹ = 16481099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16481107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12300 + ... + 13573.

It is an arithmetic number, because the mean of its divisors is an integer number (1720621).

Almost surely, 2^16481101 is an apocalyptic number.

It is an amenable number.

16481101 is a deficient number, since it is larger than the sum of its proper divisors (4166351).

16481101 is a wasteful number, since it uses less digits than its factorization.

16481101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25900 (or 25893 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 16481101 is about 4059.6922297140. The cubic root of 16481101 is about 254.4849323914.

Adding to 16481101 its reverse (10118461), we get a palindrome (26599562).

The spelling of 16481101 in words is "sixteen million, four hundred eighty-one thousand, one hundred one".