216013046 has 4 divisors (see below), whose sum is σ = 324019572. Its totient is φ = 108006522.

The previous prime is 216013013. The next prime is 216013073. The reversal of 216013046 is 640310612.

It is a happy number.

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

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 as a sum of consecutive naturals, namely, 54003260 + ... + 54003263.

It is an arithmetic number, because the mean of its divisors is an integer number (81004893).

Almost surely, 2^216013046 is an apocalyptic number.

216013046 is a deficient number, since it is larger than the sum of its proper divisors (108006526).

216013046 is a wasteful number, since it uses less digits than its factorization.

216013046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108006525.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 216013046 is about 14697.3822839307. The cubic root of 216013046 is about 600.0120793864.

Adding to 216013046 its reverse (640310612), we get a palindrome (856323658).

The spelling of 216013046 in words is "two hundred sixteen million, thirteen thousand, forty-six".