16421146216502 has 8 divisors (see below), whose sum is σ = 25204550006856. Its totient is φ = 8019629547552.

The previous prime is 16421146216499. The next prime is 16421146216567. The reversal of 16421146216502 is 20561264112461.

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

It is a self number, because there is not a number n which added to its sum of digits gives 16421146216502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95471780243 + ... + 95471780414.

It is an arithmetic number, because the mean of its divisors is an integer number (3150568750857).

Almost surely, 2^{16421146216502} is an apocalyptic number.

16421146216502 is a deficient number, since it is larger than the sum of its proper divisors (8783403790354).

16421146216502 is a wasteful number, since it uses less digits than its factorization.

16421146216502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190943560702.

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 16421146216502 in words is "sixteen trillion, four hundred twenty-one billion, one hundred forty-six million, two hundred sixteen thousand, five hundred two".