2165760715 has 8 divisors (see below), whose sum is σ = 2634514848. Its totient is φ = 1708873920.

The previous prime is 2165760691. The next prime is 2165760739. The reversal of 2165760715 is 5170675612.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2165760691) and next prime (2165760739).

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

It is not a de Polignac number, because 2165760715 - 2¹⁵ = 2165727947 is a prime.

It is a super-3 number, since 3×2165760715³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2966431 + ... + 2967160.

It is an arithmetic number, because the mean of its divisors is an integer number (329314356).

Almost surely, 2^2165760715 is an apocalyptic number.

2165760715 is a deficient number, since it is larger than the sum of its proper divisors (468754133).

2165760715 is an equidigital number, since it uses as much as digits as its factorization.

2165760715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5933669.

The product of its (nonzero) digits is 88200, while the sum is 40.

The square root of 2165760715 is about 46537.7343131356. The cubic root of 2165760715 is about 1293.8089683812.

The spelling of 2165760715 in words is "two billion, one hundred sixty-five million, seven hundred sixty thousand, seven hundred fifteen".