16628495 has 16 divisors (see below), whose sum is σ = 21695520. Its totient is φ = 12161664.

The previous prime is 16628467. The next prime is 16628519. The reversal of 16628495 is 59482661.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 16628495 - 2²⁰ = 15579919 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5912 + ... + 8258.

It is an arithmetic number, because the mean of its divisors is an integer number (1355970).

Almost surely, 2^16628495 is an apocalyptic number.

16628495 is a deficient number, since it is larger than the sum of its proper divisors (5067025).

16628495 is a wasteful number, since it uses less digits than its factorization.

16628495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2474.

The product of its digits is 103680, while the sum is 41.

The square root of 16628495 is about 4077.8051694508. The cubic root of 16628495 is about 255.2413196772.

The spelling of 16628495 in words is "sixteen million, six hundred twenty-eight thousand, four hundred ninety-five".