16413580765 has 4 divisors (see below), whose sum is σ = 19696296924. Its totient is φ = 13130864608.

The previous prime is 16413580763. The next prime is 16413580769. The reversal of 16413580765 is 56708531461.

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: 56708531461 = 3187 ⋅17793703.

It can be written as a sum of positive squares in 2 ways, for example, as 4139378244 + 12274202521 = 64338^2 + 110789^2 .

It is a cyclic number.

It is not a de Polignac number, because 16413580765 - 2¹ = 16413580763 is a prime.

It is a super-3 number, since 3×16413580765³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16413580763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1641358072 + ... + 1641358081.

It is an arithmetic number, because the mean of its divisors is an integer number (4924074231).

Almost surely, 2^16413580765 is an apocalyptic number.

It is an amenable number.

16413580765 is a deficient number, since it is larger than the sum of its proper divisors (3282716159).

16413580765 is an equidigital number, since it uses as much as digits as its factorization.

16413580765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3282716158.

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 16413580765 in words is "sixteen billion, four hundred thirteen million, five hundred eighty thousand, seven hundred sixty-five".