16906045 has 16 divisors (see below), whose sum is σ = 21974400. Its totient is φ = 12412224.

The previous prime is 16906031. The next prime is 16906049. The reversal of 16906045 is 54060961.

It is a cyclic number.

It is not a de Polignac number, because 16906045 - 2¹⁷ = 16774973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16905998 and 16906016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16906049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12282 + ... + 13588.

It is an arithmetic number, because the mean of its divisors is an integer number (1373400).

Almost surely, 2^16906045 is an apocalyptic number.

It is an amenable number.

16906045 is a deficient number, since it is larger than the sum of its proper divisors (5068355).

16906045 is a wasteful number, since it uses less digits than its factorization.

16906045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 16906045 is about 4111.6961220401. The cubic root of 16906045 is about 256.6535880969.

The spelling of 16906045 in words is "sixteen million, nine hundred six thousand, forty-five".