2506660755 has 16 divisors (see below), whose sum is σ = 4011580320. Its totient is φ = 1336578048.

The previous prime is 2506660753. The next prime is 2506660769. The reversal of 2506660755 is 5570666052.

It is a happy number.

2506660755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2506660755 - 2¹ = 2506660753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2506660753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58161 + ... + 91629.

It is an arithmetic number, because the mean of its divisors is an integer number (250723770).

Almost surely, 2^2506660755 is an apocalyptic number.

2506660755 is a deficient number, since it is larger than the sum of its proper divisors (1504919565).

2506660755 is a wasteful number, since it uses less digits than its factorization.

2506660755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38470.

The product of its (nonzero) digits is 378000, while the sum is 42.

The square root of 2506660755 is about 50066.5632433464. The cubic root of 2506660755 is about 1358.4130774650.

The spelling of 2506660755 in words is "two billion, five hundred six million, six hundred sixty thousand, seven hundred fifty-five".