2665506063 has 16 divisors (see below), whose sum is σ = 3971665152. Its totient is φ = 1576056000.

The previous prime is 2665506043. The next prime is 2665506101. The reversal of 2665506063 is 3606055662.

2665506063 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2665506063 - 2¹² = 2665501967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2665506023) 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, 983683 + ... + 986388.

It is an arithmetic number, because the mean of its divisors is an integer number (248229072).

Almost surely, 2^2665506063 is an apocalyptic number.

2665506063 is a deficient number, since it is larger than the sum of its proper divisors (1306159089).

2665506063 is a wasteful number, since it uses less digits than its factorization.

2665506063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970126.

The product of its (nonzero) digits is 194400, while the sum is 39.

The square root of 2665506063 is about 51628.5392297710. The cubic root of 2665506063 is about 1386.5213400987.

The spelling of 2665506063 in words is "two billion, six hundred sixty-five million, five hundred six thousand, sixty-three".