16048621 has 2 divisors, whose sum is σ = 16048622. Its totient is φ = 16048620.

The previous prime is 16048619. The next prime is 16048633. The reversal of 16048621 is 12684061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15515721 + 532900 = 3939^2 + 730^2 .

It is a cyclic number.

It is not a de Polignac number, because 16048621 - 2¹ = 16048619 is a prime.

Together with 16048619, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16048621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16048661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8024310 + 8024311.

It is an arithmetic number, because the mean of its divisors is an integer number (8024311).

Almost surely, 2^16048621 is an apocalyptic number.

It is an amenable number.

16048621 is a deficient number, since it is larger than the sum of its proper divisors (1).

16048621 is an equidigital number, since it uses as much as digits as its factorization.

16048621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 16048621 is about 4006.0730148114. The cubic root of 16048621 is about 252.2391961238.

The spelling of 16048621 in words is "sixteen million, forty-eight thousand, six hundred twenty-one".