2520016765 has 8 divisors (see below), whose sum is σ = 3456023040. Its totient is φ = 1728011472.

The previous prime is 2520016727. The next prime is 2520016817. The reversal of 2520016765 is 5676100252.

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 2520016765 - 2¹³ = 2520008573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2520016765.

It is a congruent 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, 36000205 + ... + 36000274.

It is an arithmetic number, because the mean of its divisors is an integer number (432002880).

Almost surely, 2^2520016765 is an apocalyptic number.

It is an amenable number.

2520016765 is a deficient number, since it is larger than the sum of its proper divisors (936006275).

2520016765 is an equidigital number, since it uses as much as digits as its factorization.

2520016765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72000491.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 2520016765 is about 50199.7685751638. The cubic root of 2520016765 is about 1360.8214409248.

The spelling of 2520016765 in words is "two billion, five hundred twenty million, sixteen thousand, seven hundred sixty-five".