216401001104 has 20 divisors (see below), whose sum is σ = 425182250880. Its totient is φ = 106676549280.

The previous prime is 216401001073. The next prime is 216401001137. The reversal of 216401001104 is 401100104612.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95245784 + ... + 95248055.

It is an arithmetic number, because the mean of its divisors is an integer number (21259112544).

Almost surely, 2^216401001104 is an apocalyptic number.

It is an amenable number.

216401001104 is a deficient number, since it is larger than the sum of its proper divisors (208781249776).

216401001104 is a wasteful number, since it uses less digits than its factorization.

216401001104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190493918 (or 190493912 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 216401001104 its reverse (401100104612), we get a palindrome (617501105716).

The spelling of 216401001104 in words is "two hundred sixteen billion, four hundred one million, one thousand, one hundred four".