8416667513 has 12 divisors (see below), whose sum is σ = 8945470380. Its totient is φ = 7917510912.

The previous prime is 8416667509. The next prime is 8416667527. The reversal of 8416667513 is 3157666148.

It can be written as a sum of positive squares in 6 ways, for example, as 1523184784 + 6893482729 = 39028^2 + 83027^2 .

It is not a de Polignac number, because 8416667513 - 2² = 8416667509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8416667543) 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, 660995 + ... + 673607.

It is an arithmetic number, because the mean of its divisors is an integer number (745455865).

Almost surely, 2^8416667513 is an apocalyptic number.

It is an amenable number.

8416667513 is a deficient number, since it is larger than the sum of its proper divisors (528802867).

8416667513 is a wasteful number, since it uses less digits than its factorization.

8416667513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14956 (or 14939 counting only the distinct ones).

The product of its digits is 725760, while the sum is 47.

The square root of 8416667513 is about 91742.3975760390. The cubic root of 8416667513 is about 2034.1363332348.

The spelling of 8416667513 in words is "eight billion, four hundred sixteen million, six hundred sixty-seven thousand, five hundred thirteen".