14531206516 has 12 divisors (see below), whose sum is σ = 25437528900. Its totient is φ = 7263341120.

The previous prime is 14531206513. The next prime is 14531206589. The reversal of 14531206516 is 61560213541.

It can be written as a sum of positive squares in 2 ways, for example, as 11909356900 + 2621849616 = 109130^2 + 51204^2 .

It is a super-2 number, since 2×14531206516² (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 (14531206513) 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, 551041 + ... + 576808.

It is an arithmetic number, because the mean of its divisors is an integer number (2119794075).

Almost surely, 2^14531206516 is an apocalyptic number.

It is an amenable number.

14531206516 is a deficient number, since it is larger than the sum of its proper divisors (10906322384).

14531206516 is a wasteful number, since it uses less digits than its factorization.

14531206516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131074 (or 1131072 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 14531206516 in words is "fourteen billion, five hundred thirty-one million, two hundred six thousand, five hundred sixteen".