2163523534607 has 4 divisors (see below), whose sum is σ = 2290789624896. Its totient is φ = 2036257444320.

The previous prime is 2163523534511. The next prime is 2163523534621. The reversal of 2163523534607 is 7064353253612.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2163523534607 - 2²⁶ = 2163456425743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163523534637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63633045119 + ... + 63633045152.

It is an arithmetic number, because the mean of its divisors is an integer number (572697406224).

Almost surely, 2^{2163523534607} is an apocalyptic number.

2163523534607 is a deficient number, since it is larger than the sum of its proper divisors (127266090289).

2163523534607 is a wasteful number, since it uses less digits than its factorization.

2163523534607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127266090288.

The product of its (nonzero) digits is 2721600, while the sum is 47.

The spelling of 2163523534607 in words is "two trillion, one hundred sixty-three billion, five hundred twenty-three million, five hundred thirty-four thousand, six hundred seven".