16652505 has 8 divisors (see below), whose sum is σ = 26644032. Its totient is φ = 8881328.

The previous prime is 16652491. The next prime is 16652507. The reversal of 16652505 is 50525661.

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

It is a cyclic number.

It is not a de Polignac number, because 16652505 - 2⁵ = 16652473 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16652507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555069 + ... + 555098.

It is an arithmetic number, because the mean of its divisors is an integer number (3330504).

Almost surely, 2^16652505 is an apocalyptic number.

16652505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16652505 is a deficient number, since it is larger than the sum of its proper divisors (9991527).

16652505 is a wasteful number, since it uses less digits than its factorization.

16652505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110175.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 16652505 is about 4080.7480931810. The cubic root of 16652505 is about 255.3641088385.

The spelling of 16652505 in words is "sixteen million, six hundred fifty-two thousand, five hundred five".