15466413508 has 72 divisors (see below), whose sum is σ = 34207837272. Its totient is φ = 6064321536.

The previous prime is 15466413337. The next prime is 15466413551. The reversal of 15466413508 is 80531466451.

It can be written as a sum of positive squares in 4 ways, for example, as 260564164 + 15205849344 = 16142^2 + 123312^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 261066 + ... + 314782.

It is an arithmetic number, because the mean of its divisors is an integer number (475108851).

Almost surely, 2^15466413508 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15466413508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17103918636).

15466413508 is an abundant number, since it is smaller than the sum of its proper divisors (18741423764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15466413508 is a wasteful number, since it uses less digits than its factorization.

15466413508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53861 (or 53852 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

Adding to 15466413508 its reverse (80531466451), we get a palindrome (95997879959).

The spelling of 15466413508 in words is "fifteen billion, four hundred sixty-six million, four hundred thirteen thousand, five hundred eight".