263630215066 has 8 divisors (see below), whose sum is σ = 408201623424. Its totient is φ = 127563007260.

The previous prime is 263630215061. The next prime is 263630215099. The reversal of 263630215066 is 660512036362.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (263630215061) 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, 2126050060 + ... + 2126050183.

It is an arithmetic number, because the mean of its divisors is an integer number (51025202928).

Almost surely, 2^263630215066 is an apocalyptic number.

263630215066 is a deficient number, since it is larger than the sum of its proper divisors (144571408358).

263630215066 is a wasteful number, since it uses less digits than its factorization.

263630215066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4252100276.

The product of its (nonzero) digits is 233280, while the sum is 40.

The spelling of 263630215066 in words is "two hundred sixty-three billion, six hundred thirty million, two hundred fifteen thousand, sixty-six".