216436565772003 has 128 divisors (see below), whose sum is σ = 312563940480000. Its totient is φ = 132964400185344.

The previous prime is 216436565771999. The next prime is 216436565772047. The reversal of 216436565772003 is 300277565634612.

It is not a de Polignac number, because 216436565772003 - 2² = 216436565771999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216436565771003) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 29371222503 + ... + 29371229871.

It is an arithmetic number, because the mean of its divisors is an integer number (2441905785000).

Almost surely, 2^{216436565772003} is an apocalyptic number.

216436565772003 is a deficient number, since it is larger than the sum of its proper divisors (96127374707997).

216436565772003 is a wasteful number, since it uses less digits than its factorization.

216436565772003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8629.

The product of its (nonzero) digits is 38102400, while the sum is 57.

The spelling of 216436565772003 in words is "two hundred sixteen trillion, four hundred thirty-six billion, five hundred sixty-five million, seven hundred seventy-two thousand, three".