16620250 has 32 divisors (see below), whose sum is σ = 32760000. Its totient is φ = 6296400.

The previous prime is 16620239. The next prime is 16620301. The reversal of 16620250 is 5202661.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3001 + ... + 6499.

It is an arithmetic number, because the mean of its divisors is an integer number (1023750).

Almost surely, 2^16620250 is an apocalyptic number.

16620250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16620250 is a deficient number, since it is larger than the sum of its proper divisors (16139750).

16620250 is a wasteful number, since it uses less digits than its factorization.

16620250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3535 (or 3525 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 16620250 is about 4076.7940835907. The cubic root of 16620250 is about 255.1991267908.

The spelling of 16620250 in words is "sixteen million, six hundred twenty thousand, two hundred fifty".