16022645 has 8 divisors (see below), whose sum is σ = 19890360. Its totient is φ = 12376000.

The previous prime is 16022639. The next prime is 16022659. The reversal of 16022645 is 54622061.

16022645 is nontrivially palindromic in base 12.

It can be written as a sum of positive squares in 4 ways, for example, as 4092529 + 11930116 = 2023^2 + 3454^2 .

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

It is not a de Polignac number, because 16022645 - 2⁸ = 16022389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55106 + ... + 55395.

It is an arithmetic number, because the mean of its divisors is an integer number (2486295).

Almost surely, 2^16022645 is an apocalyptic number.

It is an amenable number.

16022645 is a deficient number, since it is larger than the sum of its proper divisors (3867715).

16022645 is a wasteful number, since it uses less digits than its factorization.

16022645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110535.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 16022645 is about 4002.8296241534. The cubic root of 16022645 is about 252.1030327402.

The spelling of 16022645 in words is "sixteen million, twenty-two thousand, six hundred forty-five".