16461735481 has 4 divisors (see below), whose sum is σ = 16462196352. Its totient is φ = 16461274612.

The previous prime is 16461735469. The next prime is 16461735491. The reversal of 16461735481 is 18453716461.

16461735481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 16461735481 - 2⁵ = 16461735449 is a prime.

It is a super-2 number, since 2×16461735481² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16461735431) 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 3 ways as a sum of consecutive naturals, for example, 171901 + ... + 249946.

It is an arithmetic number, because the mean of its divisors is an integer number (4115549088).

Almost surely, 2^16461735481 is an apocalyptic number.

It is an amenable number.

16461735481 is a deficient number, since it is larger than the sum of its proper divisors (460871).

16461735481 is an equidigital number, since it uses as much as digits as its factorization.

16461735481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460870.

The product of its digits is 483840, while the sum is 46.

The spelling of 16461735481 in words is "sixteen billion, four hundred sixty-one million, seven hundred thirty-five thousand, four hundred eighty-one".