2150568663 has 16 divisors (see below), whose sum is σ = 3057949440. Its totient is φ = 1339664256.

The previous prime is 2150568647. The next prime is 2150568733. The reversal of 2150568663 is 3668650512.

It is a happy number.

It is not a de Polignac number, because 2150568663 - 2⁴ = 2150568647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150568163) 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, 144595 + ... + 158772.

It is an arithmetic number, because the mean of its divisors is an integer number (191121840).

Almost surely, 2^2150568663 is an apocalyptic number.

2150568663 is a deficient number, since it is larger than the sum of its proper divisors (907380777).

2150568663 is a wasteful number, since it uses less digits than its factorization.

2150568663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303526.

The product of its (nonzero) digits is 259200, while the sum is 42.

The square root of 2150568663 is about 46374.2241228896. The cubic root of 2150568663 is about 1290.7766616859.

The spelling of 2150568663 in words is "two billion, one hundred fifty million, five hundred sixty-eight thousand, six hundred sixty-three".