216473088 has 160 divisors (see below), whose sum is σ = 640021536. Its totient is φ = 64585728.

The previous prime is 216473021. The next prime is 216473111. The reversal of 216473088 is 880374612.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a zygodrome in base 2.

It is a congruent number.

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, 738670 + ... + 738962.

Almost surely, 2^216473088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216473088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320010768).

216473088 is an abundant number, since it is smaller than the sum of its proper divisors (423548448).

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

216473088 is a wasteful number, since it uses less digits than its factorization.

216473088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 216473088 is about 14713.0244341536. The cubic root of 216473088 is about 600.4377250281.

The spelling of 216473088 in words is "two hundred sixteen million, four hundred seventy-three thousand, eighty-eight".