216889496 has 16 divisors (see below), whose sum is σ = 408254040. Its totient is φ = 108021760.

The previous prime is 216889483. The next prime is 216889499. The reversal of 216889496 is 694988612.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216889499) 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, 50690 + ... + 54801.

Almost surely, 2^216889496 is an apocalyptic number.

It is an amenable number.

216889496 is a deficient number, since it is larger than the sum of its proper divisors (191364544).

216889496 is a wasteful number, since it uses less digits than its factorization.

216889496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105754 (or 105750 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 53.

The square root of 216889496 is about 14727.1686348734. The cubic root of 216889496 is about 600.8224794382.

The spelling of 216889496 in words is "two hundred sixteen million, eight hundred eighty-nine thousand, four hundred ninety-six".