216465060 has 96 divisors (see below), whose sum is σ = 698971392. Its totient is φ = 49029120.

The previous prime is 216465031. The next prime is 216465061. The reversal of 216465060 is 60564612.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (216465061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45180 + ... + 49740.

It is an arithmetic number, because the mean of its divisors is an integer number (7280952).

Almost surely, 2^216465060 is an apocalyptic number.

216465060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216465060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349485696).

216465060 is an abundant number, since it is smaller than the sum of its proper divisors (482506332).

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

216465060 is a wasteful number, since it uses less digits than its factorization.

216465060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4693 (or 4691 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 216465060 is about 14712.7516121221. The cubic root of 216465060 is about 600.4303024370.

The spelling of 216465060 in words is "two hundred sixteen million, four hundred sixty-five thousand, sixty".