1516667013 has 12 divisors (see below), whose sum is σ = 2192084908. Its totient is φ = 1010491200.

The previous prime is 1516667011. The next prime is 1516667023. The reversal of 1516667013 is 3107666151.

It can be written as a sum of positive squares in 2 ways, for example, as 134165889 + 1382501124 = 11583^2 + 37182^2 .

It is not a de Polignac number, because 1516667013 - 2¹ = 1516667011 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1516667011) 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, 35938 + ... + 65763.

Almost surely, 2^1516667013 is an apocalyptic number.

It is an amenable number.

1516667013 is a deficient number, since it is larger than the sum of its proper divisors (675417895).

1516667013 is a wasteful number, since it uses less digits than its factorization.

1516667013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103364 (or 103361 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 1516667013 is about 38944.4092650023. The cubic root of 1516667013 is about 1148.9384060768.

The spelling of 1516667013 in words is "one billion, five hundred sixteen million, six hundred sixty-seven thousand, thirteen".