216334498 has 4 divisors (see below), whose sum is σ = 324501750. Its totient is φ = 108167248.

The previous prime is 216334493. The next prime is 216334549. The reversal of 216334498 is 894433612.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 178302609 + 38031889 = 13353^2 + 6167^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 216334498.

It is not an unprimeable number, because it can be changed into a prime (216334493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54083623 + ... + 54083626.

Almost surely, 2^216334498 is an apocalyptic number.

216334498 is a deficient number, since it is larger than the sum of its proper divisors (108167252).

216334498 is a wasteful number, since it uses less digits than its factorization.

216334498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108167251.

The product of its digits is 124416, while the sum is 40.

The square root of 216334498 is about 14708.3139074470. The cubic root of 216334498 is about 600.3095606299.

The spelling of 216334498 in words is "two hundred sixteen million, three hundred thirty-four thousand, four hundred ninety-eight".