16534645 has 8 divisors (see below), whose sum is σ = 19882656. Its totient is φ = 13200336.

The previous prime is 16534627. The next prime is 16534657. The reversal of 16534645 is 54643561.

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 16534645 - 2⁷ = 16534517 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16534645.

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, 547 + ... + 5776.

It is an arithmetic number, because the mean of its divisors is an integer number (2485332).

Almost surely, 2^16534645 is an apocalyptic number.

It is an amenable number.

16534645 is a deficient number, since it is larger than the sum of its proper divisors (3348011).

16534645 is an equidigital number, since it uses as much as digits as its factorization.

16534645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6851.

The product of its digits is 43200, while the sum is 34.

The square root of 16534645 is about 4066.2814708281. The cubic root of 16534645 is about 254.7602257215.

The spelling of 16534645 in words is "sixteen million, five hundred thirty-four thousand, six hundred forty-five".