216053770552 has 16 divisors (see below), whose sum is σ = 416049491160. Its totient is φ = 105107239584.

The previous prime is 216053770549. The next prime is 216053770553. The reversal of 216053770552 is 255077350612.

It is a junction number, because it is equal to n+sod(n) for n = 216053770499 and 216053770508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216053770553) 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, 364955398 + ... + 364955989.

Almost surely, 2^216053770552 is an apocalyptic number.

It is an amenable number.

216053770552 is a deficient number, since it is larger than the sum of its proper divisors (199995720608).

216053770552 is a wasteful number, since it uses less digits than its factorization.

216053770552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729911430 (or 729911426 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 43.

The spelling of 216053770552 in words is "two hundred sixteen billion, fifty-three million, seven hundred seventy thousand, five hundred fifty-two".