186066216 has 96 divisors (see below), whose sum is σ = 594547200. Its totient is φ = 51442560.

The previous prime is 186066197. The next prime is 186066217. The reversal of 186066216 is 612660681.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (186066217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9670 + ... + 21578.

It is an arithmetic number, because the mean of its divisors is an integer number (6193200).

Almost surely, 2^186066216 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 186066216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297273600).

186066216 is an abundant number, since it is smaller than the sum of its proper divisors (408480984).

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

186066216 is a wasteful number, since it uses less digits than its factorization.

186066216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11959 (or 11952 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 186066216 is about 13640.6090773103. The cubic root of 186066216 is about 570.8944774092.

The spelling of 186066216 in words is "one hundred eighty-six million, sixty-six thousand, two hundred sixteen".