216064948 has 12 divisors (see below), whose sum is σ = 412487712. Its totient is φ = 98211320.

The previous prime is 216064943. The next prime is 216064991. The reversal of 216064948 is 849460612.

216064948 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 216064948.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216064943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2455240 + ... + 2455327.

It is an arithmetic number, because the mean of its divisors is an integer number (34373976).

Almost surely, 2^216064948 is an apocalyptic number.

It is an amenable number.

216064948 is a deficient number, since it is larger than the sum of its proper divisors (196422764).

216064948 is a wasteful number, since it uses less digits than its factorization.

216064948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4910582 (or 4910580 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 216064948 is about 14699.1478664581. The cubic root of 216064948 is about 600.0601310106.

The spelling of 216064948 in words is "two hundred sixteen million, sixty-four thousand, nine hundred forty-eight".