16216014638 has 8 divisors (see below), whose sum is σ = 25754846832. Its totient is φ = 7631065696.

The previous prime is 16216014523. The next prime is 16216014671. The reversal of 16216014638 is 83641061261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238470770 + ... + 238470837.

It is an arithmetic number, because the mean of its divisors is an integer number (3219355854).

Almost surely, 2^16216014638 is an apocalyptic number.

16216014638 is a deficient number, since it is larger than the sum of its proper divisors (9538832194).

16216014638 is a wasteful number, since it uses less digits than its factorization.

16216014638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476941626.

The product of its (nonzero) digits is 41472, while the sum is 38.

Adding to 16216014638 its reverse (83641061261), we get a palindrome (99857075899).

The spelling of 16216014638 in words is "sixteen billion, two hundred sixteen million, fourteen thousand, six hundred thirty-eight".