16620050 has 24 divisors (see below), whose sum is σ = 32733396. Its totient is φ = 6256640.

The previous prime is 16620049. The next prime is 16620119. The reversal of 16620050 is 5002661.

It can be written as a sum of positive squares in 6 ways, for example, as 11498881 + 5121169 = 3391^2 + 2263^2 .

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 in 11 ways as a sum of consecutive naturals, for example, 8927 + ... + 10626.

Almost surely, 2^16620050 is an apocalyptic number.

16620050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16620050 is a deficient number, since it is larger than the sum of its proper divisors (16113346).

16620050 is a wasteful number, since it uses less digits than its factorization.

16620050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19582 (or 19577 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 16620050 is about 4076.7695544389. The cubic root of 16620050 is about 255.1981031394.

The spelling of 16620050 in words is "sixteen million, six hundred twenty thousand, fifty".