2665157513 has 8 divisors (see below), whose sum is σ = 2809666560. Its totient is φ = 2524307040.

The previous prime is 2665157491. The next prime is 2665157519. The reversal of 2665157513 is 3157515662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2665157513 - 2¹² = 2665153417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2665157519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 913148 + ... + 916061.

It is an arithmetic number, because the mean of its divisors is an integer number (351208320).

Almost surely, 2^2665157513 is an apocalyptic number.

It is an amenable number.

2665157513 is a deficient number, since it is larger than the sum of its proper divisors (144509047).

2665157513 is a wasteful number, since it uses less digits than its factorization.

2665157513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829287.

The product of its digits is 189000, while the sum is 41.

The square root of 2665157513 is about 51625.1635639055. The cubic root of 2665157513 is about 1386.4609021596.

The spelling of 2665157513 in words is "two billion, six hundred sixty-five million, one hundred fifty-seven thousand, five hundred thirteen".