216077652 has 192 divisors, whose sum is σ = 689920000. Its totient is φ = 58296672.

The previous prime is 216077651. The next prime is 216077681. The reversal of 216077652 is 256770612.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216077651) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 703683 + ... + 703989.

Almost surely, 2^216077652 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 216077652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344960000).

216077652 is an abundant number, since it is smaller than the sum of its proper divisors (473842348).

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

216077652 is a wasteful number, since it uses less digits than its factorization.

216077652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360 (or 338 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 216077652 is about 14699.5799939998. The cubic root of 216077652 is about 600.0718913857.

The spelling of 216077652 in words is "two hundred sixteen million, seventy-seven thousand, six hundred fifty-two".