216146070 has 192 divisors, whose sum is σ = 678053376. Its totient is φ = 48522240.

The previous prime is 216146017. The next prime is 216146083. The reversal of 216146070 is 70641612.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1649905 + ... + 1650035.

It is an arithmetic number, because the mean of its divisors is an integer number (3531528).

Almost surely, 2^216146070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216146070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339026688).

216146070 is an abundant number, since it is smaller than the sum of its proper divisors (461907306).

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

216146070 is a wasteful number, since it uses less digits than its factorization.

216146070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 216146070 is about 14701.9070191591. The cubic root of 216146070 is about 600.1352195238.

Adding to 216146070 its reverse (70641612), we get a palindrome (286787682).

The spelling of 216146070 in words is "two hundred sixteen million, one hundred forty-six thousand, seventy".