215030616 has 64 divisors (see below), whose sum is σ = 555793920. Its totient is φ = 69283200.

The previous prime is 215030597. The next prime is 215030639. The reversal of 215030616 is 616030512.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103201 + ... + 105263.

It is an arithmetic number, because the mean of its divisors is an integer number (8684280).

Almost surely, 2^215030616 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 215030616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277896960).

215030616 is an abundant number, since it is smaller than the sum of its proper divisors (340763304).

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

215030616 is a wasteful number, since it uses less digits than its factorization.

215030616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2216 (or 2212 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 215030616 is about 14663.9222583864. The cubic root of 215030616 is about 599.1010761212.

The spelling of 215030616 in words is "two hundred fifteen million, thirty thousand, six hundred sixteen".