216343111404 has 48 divisors (see below), whose sum is σ = 582627015936. Its totient is φ = 61200312000.

The previous prime is 216343111379. The next prime is 216343111427. The reversal of 216343111404 is 404111343612.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12741582 + ... + 12758549.

It is an arithmetic number, because the mean of its divisors is an integer number (12138062832).

Almost surely, 2^216343111404 is an apocalyptic number.

It is an amenable number.

216343111404 is an abundant number, since it is smaller than the sum of its proper divisors (366283904532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216343111404 is a wasteful number, since it uses less digits than its factorization.

216343111404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25500246 (or 25500244 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 216343111404 in words is "two hundred sixteen billion, three hundred forty-three million, one hundred eleven thousand, four hundred four".