16413534261 has 12 divisors (see below), whose sum is σ = 23720856588. Its totient is φ = 10936624704.

The previous prime is 16413534259. The next prime is 16413534283. The reversal of 16413534261 is 16243531461.

16413534261 is a `hidden beast` number, since 1 + 6 + 41 + 353 + 4 + 261 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14421608100 + 1991926161 = 120090^2 + 44631^2 .

It is not a de Polignac number, because 16413534261 - 2¹ = 16413534259 is a prime.

It is a super-2 number, since 2×16413534261² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16413514261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 459450 + ... + 493883.

It is an arithmetic number, because the mean of its divisors is an integer number (1976738049).

Almost surely, 2^16413534261 is an apocalyptic number.

It is an amenable number.

16413534261 is a deficient number, since it is larger than the sum of its proper divisors (7307322327).

16413534261 is a wasteful number, since it uses less digits than its factorization.

16413534261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955252 (or 955249 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The spelling of 16413534261 in words is "sixteen billion, four hundred thirteen million, five hundred thirty-four thousand, two hundred sixty-one".